C212212121212113313221323131323133313132322331323323331323133112112331
>>
C21221212121211331322132313132313331313232233132332333132313311211233
<<
C212212121212113313221323131323133313132322331323323331323133112112333
>>
C212212121212113313221323131323133313132322331323323331323133112112332
>>