C212212121212113313221323131323131323132322331323132233132313231232322331
>>
C21221212121211331322132313132313132313232233132313223313231323123232233
<<
C212212121212113313221323131323131323132322331323132233132313231232322333
>>
C212212121212113313221323131323131323132322331323132233132313231232322332
>>