C212212121212113313221323131323131323132322331323132233132313331333132312323121
>>
C21221212121211331322132313132313132313232233132313223313231333133313231232312
<<
C212212121212113313221323131323131323132322331323132233132313331333132312323123
>>
C212212121212113313221323131323131323132322331323132233132313331333132312323122
>>