10
XOO
OSS
XXX
XSX
XXO
OOO
SXS
OOO
SXX
SXO
OXX
OXO
XOS
SOS
XOX
SOX
XOS
XOX
SXO
XOX
OSX
SXS
OXO
SXS
XSO
OXS
XOX
XXO
SOX
OSX