Blocked
--- quest: true --- [1] is a puzzle game by Martin Magni. The difficulty of 51 puzzles is incremental, from the easiest to the provably hardest! File:Blockedmartinmagni.png
How to Play
Drag to move a car. Cars only move along the longer side. Unblock the red block and get it to the right to win!
Solutions
In the following notation, horizontal cells are marked from a to f, up-to-down. Vertical cells are numbered 1 to 6, left-to-right. "a1" is the most top-left corner. "b1<>" means to slide the car found in the coordinate b1 down until it hits a wall or another car.
If there is a number enclosed in parentheses, it means to move it in that direction an amount of times, e.g. "d2<<N>>(3)" means to move the car found in d2 up three times. Some shortest solutions are obtainable in this form.
Level 1
c2<<E>>.
Level 2
c5<>, c2<<E>>.
Level 3
e4<<W>>, c5<>, c2<<E>>.
Level 4
e4<<W>>, c4<>, c5<>, c2<<E>>.
Level 5
c2<<W>>, d3<<N>>, e4<<W>>, c5<>, c1<<E>>.
Level 6
c2<<W>>, e3<<N>>, d4<<W>>, b3<>, b5<>, c1<<E>>.
Level 7
c2<<W>>, d3<<N>>, e5<<W>>, c5<>, b2<<E>>, c3<<N>>, c1<<E>>.
Level 8
e6<<N>>, f2<<E>>, b3<>, c1<<E>>, e5<<N>>, f5<<W>>, c6<>, c4<<E>>.
Level 9
b3<>, c4<<W>>, e3<<N>>, e4<<N>>, e5<<W>>, b3<>, b4<>, b6<>, c1<<E>>.
Level 10
d6<<N>>, e2<<E>>, f2<<E>>, b3<>, c1<<E>>, e3<<N>>, e5<<W>>, f5<<W>>, b6<>, c4<<E>>.
Level 11
d6<<N>>, e3<<E>>, b4<>, c1<<E>>, d2<<N>>, c4<<W>>, e4<<N>>, e5<<W>>, b4<>, b6<>, c1<<E>>.
Level 12
b5<<N>>, d3<>, d1<<E>>, b2<>, c3<<W>>, e3<<N>>, c1<<E>>, e2<<N>>, e5<<W>>, d4<<W>>, b5<>, c3<<E>>.
Level 13
d6<<N>>, e3<<E>>, f3<<E>>, b4<>, c1<<E>>, e2<<N>>, c4<<W>>, e4<<N>>, e5<<W>>, f5<<W>>, b4<>, b6<>, c1<<E>>.
Level 14
c4<<N>>, c5<<N>>, d1<<E>>, e2<<N>>, f4<<W>>, b4<>, c1<<E>>, d2<<N>>, c3<<W>>, e4<<N>>, d5<<W>>, b4<>, b5<>, c1<<E>>.
Level 15
b1<<W>>, b3<<E>>, c2<<W>>, e3<<N>>, e5<<W>>, c4<>, d1<<E>>, e4<<N>>, e1<<E>>, b3<>, c1<<E>>, a1<>, b5<<W>>, c4<<N>>, c2<<E>>.
Level 16
c6<<N>>, d4<>, d1<<E>>, b3<>, c4<<W>>, e3<<N>>, d5<<W>>, e4<<N>>, e5<<W>>, d2<<E>>, b3<>, c1<<E>>, e3<<N>>, d5<<W>>, b6<>, c4<<E>>.
Level 17
d3<<E>>, f2<<E>>, c1<>, c2<<W>>, a3<>, d5<<W>>, b4<>, b1<<E>>, d4<<N>>, d2<<E>>, e3<<N>>, c1<<E>>, e1<<N>>, d5<<W>>, f5<<W>>, d2<>, c2<<E>>.
Level 18
b2<>, c3<<W>>, d3<<N>>, e4<<W>>, c5<>, a5<>, a2<<E>>, b3<<N>>, c1<<E>>, e2<<N>>, e3<<W>>, c3<<W>>, a3<>, c1<<E>>, a2<>, a5<<W>>, c5<<N>>, c3<<E>>.
Level 19
e4<<E>>, b4<<N>>, c2<<W>>, d3<<N>>, b5<<N>>, d1<<E>>, a3<>, a4<>, c1<<E>>, e2<<N>>, c3<<W>>, d3<<N>>, d4<<N>>, e5<<W>>, d5<<W>>, a3<>, a4<>, a5<>, c1<<E>>.
Level 20
f2<<W>>, d2<<W>>, a4<>, b5<<W>>, c6<<N>>, d1<<E>>, a3<>, b4<<W>>, c3<<N>>, d4<<W>>, e4<<N>>, d1<<E>>, f1<<E>>, a3<>, c1<<E>>, d3<<N>>, d4<<W>>, f4<<W>>, a6<>, c4<<E>>.
Level 21
b6<<N>>, d2<<W>>, a3<>, c4<<W>>, d3<<N>>, d4<<N>>, d5<<N>>, d1<<E>>, a3<>, a4<>, c1<<E>>, e2<<N>>, c4<<W>>, d3<<N>>, d4<<N>>, d5<<W>>, f5<<W>>, a3<>, a4<>, a6<>, c1<<E>>.
Level 22
d2<<E>>, e1<<E>>, b1<>, c2<<W>>, a3<>, a1<<E>>, c1<<E>>, d1<<N>>, d4<<W>>, a4<>, a2<<E>>, b4<<N>>, d1<<E>>, a1<>, c2<<W>>, e3<<N>>, c1<<E>>, d1<<N>>, e4<<W>>, d4<<W>>, a4<>, c2<<E>>.
Level 23
b1<<N>>, c3<>, c4<<W>>, a4<>, b2<<E>>, d3<<N>>, e4<<W>>, c4<>, b6<<N>>, d1<<E>>, e4<<N>>, e1<<E>>, a3<>, c1<<E>>, a1<>, b4<<W>>, c4<<N>>, c2<<E>>, d3<<N>>, d5<<W>>, e5<<W>>, a6<>, c4<<E>>.
Level 24
b3<>, c1<<E>>, a1<>, a2<<W>>, c2<<W>>, b4<<N>>, d4<<N>>, d3<<N>>, e5<<W>>, c4<>, a6<>, a4<>, a1<<E>>, c3<<N>>, c1<<E>>, e1<<N>>, e2<<W>>, c2<<W>>, a3<>, c1<<E>>, a1<>, a4<<W>>, b4<<N>>, c2<<E>>.
Level 25
d4<<W>>, e6<<N>>(3), d3<<E>>, e1<<E>>, b1<>, c2<<W>>, a3<>, c1<<E>>, a1<<E>>, d1<<N>>, d4<<W>>, a4<>, a2<<E>>, b4<<N>>, d1<<E>>, a1<>, c2<<W>>, e3<<N>>, c1<<E>>, d1<<N>>, e4<<W>>, d4<<W>>, b6<>, a4<>, c2<<E>>.
Level 26
b3<<N>>, c1<<E>>, d1<<N>>, e2<<W>>, c4<>, c2<<W>>, a3<>, a4<>, b5<<W>>, c4<<N>>, c5<<N>>, e5<<N>>, e4<<N>>, e1<<E>>, c3<>, c1<<E>>, a1<>, b2<<W>>, c2<<W>>, d3<<N>>, c1<<E>>, d1<<N>>, e4<<W>>, c4<>, c5<>, c2<<E>>.
Level 27
f1<<E>>, b1<>, c2<<W>>, d3<<N>>, d4<<W>>, e6<<N>>(3), f3<<E>>, d3<<E>>, b3<>, a1<<E>>, c1<<E>>, d1<<N>>, d4<<W>>, a4<>, a2<<E>>, b4<<N>>, d1<<E>>, a1<>, c2<<W>>, e3<<N>>, c1<<E>>, d1<<N>>, d4<<W>>, b6<>, f4<<W>>, a4<>, c2<<E>>.
Level 28
d2<<E>>, e1<<E>>, f3<<E>>, f1<<E>>, b1<>, c2<<W>>, a3<>, c1<<E>>, a1<<E>>, d1<<N>>, f3<<W>>, d3<>, d4<<W>>, a4<>, a2<<E>>, b4<<N>>, d1<<E>>, e3<<N>>, f1<<E>>(1), a1<>, c2<<W>>, d3<<N>>, c1<<E>>, d1<<N>>, d4<<W>>, e4<<W>>, a4<>, c2<<E>>.
Level 29
f4<<E>>, d4<>, d5<<W>>, a6<>, a1<<E>>, b3<<N>>, c4<<W>>, a3<>, a4<<W>>, c6<<N>>, d4<<E>>, e4<<N>>(3), d5<<W>>, a6<>, a3<<E>>, b3<<N>>, d3<<N>>, f5<<W>>, c3<>, a3<>, a4<<W>>, c6<<N>>, d4<<E>>, b4<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>.
Level 30
b6<<N>>, d4<<E>>, b4<<N>>, e4<<N>>, e2<<E>>, c4<>, c3<>, d1<>, d5<<W>>, e4<<N>>, e3<<N>>, e5<<W>>, c4<>, a4<>, a6<>, b1<<E>>, c3<<N>>, c1<<E>>, d1<<E>>, e1<<N>>, e2<<W>>, d2<<W>>, c2<<W>>, a3<>, c1<<E>>, d1<<E>>, a1<>, b4<<W>>, c4<<N>>, c2<<E>>.
Level 31
a1<<E>>, b1<<N>>, c2<<W>>, d3<<N>>, c6<<N>>, e1<<E>>, b3<>, c1<<E>>, a1<>, a2<<W>>, c2<<W>>, d3<<N>>, d4<<W>>, a3<>, a4<>, c1<<E>>, d3<<N>>, d1<<E>>, e1<<N>>, d2<<W>>, a3<>, a1<<E>>, b1<<N>>, c4<<W>>, d3<<N>>, d4<<N>>, e5<<W>>, b3<>, b4<>, b6<>, c1<<E>>.
Level 32
a4<<W>>, b6<<N>>, f4<<E>>, d4<>, d1<<E>>, a1<>, c2<<W>>, e3<<N>>, d4<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>, d1<<N>>, d3<<W>>, e4<<N>>(3), f5<<W>>, d4<>, d1<<E>>, a1<>, c2<<W>>, a3<>, a4<<W>>, d6<<N>>, d4<<E>>, b3<>, b4<<N>>, c1<<E>>, d3<<N>>, d4<<W>>, a6<>, c4<<E>>.
Level 33
a3<>, a1<<E>>(1), d1<<N>>, e2<<W>>, b3<>, c4<<W>>, d3<<N>>, d4<<N>>, e1<<E>>(3), b3<>, c1<<E>>, a1<>, a2<<W>>, c2<<W>>, d3<<N>>, d5<<W>>, a3<>, a4<>, a6<>, a1<<E>>, d3<<N>>, d4<<N>>, d1<<E>>, a3<>, c1<<E>>, e1<<N>>, c2<<W>>, d3<<N>>, d4<<W>>, e4<<W>>, a3<>, a4<>, c1<<E>>.
Level 34
c3<<W>>, b4<<E>>, d4<<N>>(2), e1<<E>>, b1<>, c2<<W>>, a3<>, a1<<E>>, c3<<N>>, c1<<E>>, d1<<N>>, e2<<W>>, b4<>, c2<<W>>, a3<>, a5<<W>>, b5<<W>>, c5<<N>>, e5<<N>>, d4<<N>>, e1<<E>>, c3<>, c1<<E>>, a1<>, c2<<W>>, b2<<W>>, a2<<W>>, e3<<N>>, c1<<E>>, d1<<N>>, e4<<W>>, c5<>, b4<>, c2<<E>>.
Level 35
c1<<E>>, a1<>, a4<<W>>, d4<>, b6<<N>>, d1<<E>>, b1<>, c2<<W>>, e3<<N>>, d4<<W>>, b4<<N>>, e4<<N>>, e5<<W>>, c4<>, a6<>, d1<<E>>, a4<>, a1<<E>>, b3<<N>>, c1<<E>>, e1<<N>>, e2<<W>>, c2<<W>>, a3<>, a4<<W>>, b6<<N>>, d3<<E>>, b3<>, c1<<E>>, a1<>, a3<<W>>, b4<<N>>, d4<<W>>, a6<>, c2<<E>>.
Level 36
a3<>, a1<<E>>(1), d1<<N>>, e2<<W>>, f2<<W>>, b3<>, c4<<W>>, d3<<N>>, d4<<N>>, f1<<E>>(1), e1<<E>>(1), b3<>, c1<<E>>, a1<>, a2<<W>>, c2<<W>>, d3<<N>>, d5<<W>>, a3<>, a4<>, a6<>, a1<<E>>, b3<<N>>, b4<<N>>, d1<<E>>, a3<>, c1<<E>>, e1<<N>>, c2<<W>>, d3<<N>>, d4<<W>>, e4<<W>>, f4<<W>>, a3<>, a4<>, c1<<E>>.
Level 37
f1<<E>>, b1<>, c2<<W>>, a3<>, a4<<W>>, b5<<N>>, d2<<E>>, b3<>, c1<<E>>, d1<<N>>, f2<<W>>, d3<>, d4<<W>>, a5<>, a3<<E>>, a1<<E>>, c1<<N>>(1), d2<<W>>, e4<<N>>, d1<<E>>, a1<>, a3<<W>>, a5<<W>>, b5<<N>>, d2<<E>>, e3<<N>>, f1<<E>>(1), c1<>, c2<<W>>, d3<<N>>, e5<<W>>, d4<<W>>, a5<>, a3<<E>>, b3<<N>>, b4<<N>>, c1<<E>>.
Level 38
d1<>, d2<<W>>, a6<>(1), a4<<E>>, b4<<N>>, e4<<N>>, e2<<E>>, c4<>, a4<>(1), a5<<W>>, b6<<N>>, d1<<E>>, a3<>, c1<<E>>, e1<<N>>, c2<<W>>, d3<<N>>, d4<<W>>, a6<>, a4<<E>>, b4<<N>>, e4<<N>>, e5<<W>>, c4<>, a4<>(1), a5<<W>>, b6<<N>>, d1<<E>>, a3<>, c1<<E>>, a1<>, a4<<W>>, b4<<N>>, c2<<E>>, d3<<N>>, d4<<W>>, a6<>, c4<<E>>.
Level 39
c1<<E>>, a1<>, a3<<W>>, d4<>, b4<<N>>, b5<<N>>, b6<<N>>, d1<<E>>, b1<>, c2<<W>>, e3<<N>>, d4<<W>>, e4<<N>>, e5<<W>>, c4<>, a5<>, a6<>, d1<<E>>, a4<>, a1<<E>>, b3<<N>>, c1<<E>>, e1<<N>>, c2<<W>>, a3<>, a4<<W>>, d6<<N>>, d5<<N>>, d2<<E>>, e2<<W>>, b3<>, c1<<E>>, a1<>, a2<<W>>, d4<<W>>, b4<<N>>, a5<>, a6<>, c2<<E>>.
Level 40
a6<>, a1<<E>>, b3<<N>>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<N>>, f3<<E>>, d3<>, d1<<E>>, e3<<N>>, e2<<N>>, f4<<W>>, b4<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>, d2<<N>>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, f1<<E>>, d3<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, e3<<N>>, e5<<W>>, f4<<W>>, b6<>, b4<>, c3<>, c1<<E>>.
Level 41
f1<<E>>, d1<>, d2<<W>>, a6<>(1), a4<<E>>, b4<<N>>, e4<<N>>, f2<<E>>, e2<<E>>, c4<>, a4<>(1), a5<<W>>, b6<<N>>, d1<<E>>, a3<>, c1<<E>>, e1<<N>>, c2<<W>>, d3<<N>>, d4<<W>>, a6<>, a4<<E>>, b4<<N>>, e4<<N>>, e5<<W>>, f5<<W>>, c4<>, a4<>(1), a5<<W>>, b6<<N>>, d1<<E>>, a3<>, c1<<E>>, a1<>, a4<<W>>, b4<<N>>, c2<<E>>, d3<<N>>, d4<<W>>, a6<>, c4<<E>>.
Level 42
a6<>, a1<<E>>, b3<<N>>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<N>>, f3<<E>>, d3<>, d1<<E>>, e1<<N>>, e2<<N>>, e3<<N>>, f4<<W>>, b4<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>, d2<<N>>, d1<<N>>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, f1<<E>>, d3<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, e3<<N>>, e5<<W>>, f4<<W>>, c3<>, b4<>, b6<>, c1<<E>>.
Level 43
d1<>, d2<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, e2<<E>>, c4<>, b3<>, c1<<E>>, d5<<W>>, a6<>, a3<<E>>, d3<<N>>, d1<<E>>, e1<<N>>, d2<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, c4<<W>>, e4<<N>>, d5<<W>>, a6<>, a3<<E>>, a1<<E>>, b1<<N>>, c2<<W>>, d3<<N>>, e5<<W>>, b3<>, c1<<E>>, a1<>, a2<<W>>, a4<<W>>, b6<<N>>, d4<<E>>, b4<>, d5<<W>>, a6<>, c2<<E>>.
Level 44
f1<<E>>, b1<>, c2<<W>>, a3<>, a4<<W>>, b5<<N>>, b6<<N>>, d2<<E>>, b3<>, c1<<E>>(1), d1<<N>>, f2<<W>>, d3<>, d4<<W>>, a5<>, a3<<E>>, a1<<E>>, c1<<N>>, d2<<W>>, e4<<N>>, d1<<E>>, a1<>, a2<<W>>, a4<<W>>, f5<<W>>, b5<<N>>, d2<<E>>, e3<<N>>, f1<<E>>, c1<>, c2<<W>>, d3<<N>>, d4<<W>>, a5<>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>, d1<<N>>, f2<<W>>, f4<<W>>, b4<<N>>, b5<>, c2<<E>>.
Level 45
f2<<W>>, c3<>, c1<<E>>, d1<<E>>, a1<>, a2<<W>>, b2<<W>>, c4<<N>>, b6<<N>>, c5<<N>>, d2<<E>>, e4<<N>>, e3<<N>>, f1<<E>>, d1<>, d3<>, c4<>, d5<<W>>, e4<<N>>, c2<<W>>, e3<<N>>, e5<<W>>, b5<>, f5<<W>>, c4<>, a6<>, a4<>, a1<<E>>, b1<<E>>, c3<<N>>, c1<<E>>, d1<<E>>, e1<<N>>, c2<<W>>, d2<<W>>, e2<<W>>, f2<<W>>, a3<>, c1<<E>>, d1<<E>>, a1<>, b4<<W>>, a4<<W>>, c4<<N>>, c2<<E>>.
Level 46
f1<<E>>, d1<>, d2<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, e2<<E>>, f2<<E>>, c4<>, b3<>, c1<<E>>, d5<<W>>, a6<>, a3<<E>>, d3<<N>>, d1<<E>>, e1<<N>>, d2<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, c4<<W>>, e4<<N>>, d5<<W>>, a6<>, a3<<E>>, a1<<E>>, b1<<N>>, c2<<W>>, d3<<N>>, e5<<W>>, f5<<W>>, b3<>, c1<<E>>, a1<>, a2<<W>>, a4<<W>>, b6<<N>>, d4<<E>>, b4<>, d5<<W>>, a6<>, c2<<E>>.
Level 47
e3<<E>>, c3<>, a3<>, a4<<W>>, c6<<N>>, d4<<E>>, e4<<E>>, b4<>, d5<<W>>, a6<>, a3<<E>>, c3<<N>>, c1<<E>>, a3<>(1), a4<<W>>(1), b6<<N>>, d4<<E>>, d1<<E>>, e2<<N>>, d3<<W>>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, d5<<W>>(1), a6<>, a3<<E>>, b3<<N>>, e3<<N>>, e5<<W>>, c3<>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, b4<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>.
Level 48
a4<<W>>, b6<<N>>, d4<<E>>, e4<<E>>, b4<>, b2<<E>>, c3<<N>>, e3<<N>>, f4<<W>>, d4<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>, a1<>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, f1<<E>>, d3<>, b3<>, b4<<W>>, c4<<N>>(1), c3<<N>>, d1<>, d5<<W>>, b3<>, a6<>, a3<<E>>, b4<>(1)?, b1<<E>>, c3<<N>>, c1<<E>>, d1<<E>>, e1<<N>>, d2<<W>>, c2<<W>>, e3<<N>>, e5<<W>>, f4<<W>>, c3<>, c4<>, b6<>, c1<<E>>.
Level 49
e3<<E>>, f3<<E>>, c3<>, a3<>, a4<<W>>, c6<<N>>, d4<<E>>, e4<<E>>, b4<>, d5<<W>>, a6<>, a3<<E>>, c3<<N>>, c1<<E>>, a3<>(1), a4<<W>>(1), b6<<N>>, d4<<E>>, d1<<E>>, e2<<N>>, d3<<W>>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, d5<<W>>(1), a6<>, a3<<E>>, b3<<N>>, e3<<N>>, e5<<W>>, f5<<W>>, c3<>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, b4<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>.
Level 50
e3<<E>>, f3<<E>>, c3<>, a3<>, a4<<W>>, c6<<N>>, d4<<E>>, e4<<E>>, b4<>, d5<<W>>, a6<>, a3<<E>>, c3<<N>>, c1<<E>>, a3<>(1), a4<<W>>(1), b6<<N>>, d4<<E>>, d1<<E>>, e2<<N>>, e1<<N>>, d3<<W>>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c4<<W>>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, e4<<N>>, d5<<W>>(1), a6<>, a3<<E>>, b3<<N>>, e3<<N>>, e5<<W>>, f5<<W>>, c3<>, a3<>, a4<<W>>, b6<<N>>, d4<<E>>, b4<>, d5<<W>>, a6<>, a3<<E>>, b3<<N>>, c1<<E>>.
Level 51
f4<<E>>, d4<>, b6<<N>>, d1<<E>>, b2<>, e3<<N>>, f1<<E>>, a1<>, a2<<W>>, b3<<N>>, c4<<W>>, a3<>, a5<>, a1<<E>>, b3<<N>>, c1<<E>>, d1<<N>>, d2<<N>>, f2<<W>>, d3<>, d4<<W>>, a6<>, a4<<E>>, c3<<W>>, e4<<N>>, d1<<E>>, c2<<E>>, a2<>, c3<<W>>, a4<>, a5<<W>>, b6<<N>>, d3<<E>>, e3<<N>>, f1<<E>>, a1<>, c2<<W>>, a3<>, a4<<W>>, b3<<N>>, b4<<N>>, b5<<N>>, c1<<E>>, d1<<N>>, f2<<W>>, d3<>, d4<<W>>, e5<<W>>, f5<<W>>, a6<>, c2<<E>>.