C212212121213232233131313231323223313232233132222331313232223111
>>
C21221212121323223313131323132322331323223313222233131323222311
<<
C212212121213232233131313231323223313232233132222331313232223113
>>
C212212121213232233131313231323223313232233132222331313232223112
>>