//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.
N
//.N
//.N
//.N
//.N
//.N.
//.N.