7 18
vv>>^.^vv.<<^v<<>v
>>^^.v^v^<.v<><v^v
^<<v<^>v>^<>.>.<>.
><<v.v^>v.v<.v.<<^
>.^<>vvv<^v<v^vv>.
^.<v>v>.^^>>.>^<><
>.^.>>vv^v>v.>>>^<
