C212212121212113313221323131323233231323132313331323132313232221
>>
C21221212121211331322132313132323323132313231333132313231323222
<<
C212212121212113313221323131323233231323132313331323132313232223
>>
C212212121212113313221323131323233231323132313331323132313232222
>>