C212212121212113313221323131323131323132322331323132233132323323132313232211
>>
C21221212121211331322132313132313132313232233132313223313232332313231323221
<<
C212212121212113313221323131323131323132322331323132233132323323132313232213
>>
C212212121212113313221323131323131323132322331323132233132323323132313232212
>>