env1;
sk;
fffffffFbbbbbbbxxxxttttersssssdddmppp;
# # # x x x D x D x x x # # #
3 . . x T x x A x x T x . . 1
# # # x x x x . x x x x # # #
6 . . x R x x D x x L x . . 8
# # # x x x D x L x x x # # #
4 . . x T x x x x x T x . . 5
# # # x x x x x x x x x # # #
9 . . x R x U R U x L x . . 7
# # # x x x x . x x x x # # #
0 . . x T x x A x x T x . . 2
# # # x x x U x U x x x # # #