constexpr int captain=1,guard=2,elephant=3,horse=4,car=5,duck=6,soldier=7;
5 _ _ 2 1 2 _ _ _
_ _ _ _ _ _ _ _ _
6 4 _ _ 3 _ -7 _ _
_ _ _ _ 4 _ _ _ _
7 _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ -4 _
-7 _ 7 _ _ _ _ _ _
-6 _ _ _ -3 _ _ 6 _
_ _ _ _ -1 _ _ _ _
_ _ _ -2 _ -2 _ _ _