C212212121212113313221323131323131323132322331323132233133112331
>>
C21221212121211331322132313132313132313232233132313223313311233
<<
C212212121212113313221323131323131323132322331323132233133112333
>>
C212212121212113313221323131323131323132322331323132233133112332
>>