9 blocks
init:
on 0 8
on 1 t
on 2 t
on 3 7
on 4 0
on 5 6
on 6 4
on 7 1
on 8 3
goal:
on 0 8
on 1 2
on 2 0
on 3 1
on 4 7
on 5 3
on 6 3
on 8 5
