17   16
M        11        13
M        -3         4
M         4        -6
P
M         7         5
P
M        -2        -7
P
C         6        16
M         0         1
M        -6         4
P
C         5        -2
P
M        -5         0
C         5         0
C         0        -6
C         5         7
M         5        -2
P
C        -4        -6
P
C        -1        -5
P