C212212121212113313221323131323132313132322331323132233132313331333132213211
>>
C21221212121211331322132313132313231313232233132313223313231333133313221321
<<
C212212121212113313221323131323132313132322331323132233132313331333132213213
>>
C212212121212113313221323131323132313132322331323132233132313331333132213212
>>