16
SSSMSSMMMMSMMSSSSSMMMSSSS
SSSSMSSSSMSSSSMSSSSMSSSSM
MSMSMSMSMSMSMSMSMSMSMSMSM
SSMSSMSSMSSMSSMSSMSSMSSMS
MMMMMMMMMMMMMMMMMMMMMMMMM
MMMMMMMMMMMMSMMMMMMMMMMMM
SSSSSSSSSSSSMSSSSSSSSSSSS
SSSSSSSSSSSMMSSSSSSSSSSSS
MMMMSSSSSSSSSSSSSSSSSMMMM
MMMMMMMMMMMMMMMMMMMMMMMMS
SMMMMMMMMMMMMMMMMMMMMMMMM
SSSMSMSMSMSSSSSMMSSSMSMMM
SSSSSMSSSSMMMMSSSSSSSSMMM
SSSSSSSMMMMMMMSSSSSSSSSSM
SSSSSSSMMMMMMMSSSSSSSSSSS
SSSSSSSSSSSSSSSSSSSSSSSSS