C212212121213232233131313231323223313232233132222331323222313111
>>
C21221212121323223313131323132322331323223313222233132322231311
<<
C212212121213232233131313231323223313232233132222331323222313113
>>
C212212121213232233131313231323223313232233132222331323222313112
>>