C212212121212113313221323131323131323132322331323132233131311111
>>
C21221212121211331322132313132313132313232233132313223313131111
<<
C212212121212113313221323131323131323132322331323132233131311113
>>
C212212121212113313221323131323131323132322331323132233131311112
>>