C12313211232233312111111312111133133313331323133313332322321122131121333111   >>    C1231321123223331211111131211113313331333132313331333232232112213112133311   <<    C12313211232233312111111312111133133313331323133313332322321122131121333113   >>      C12313211232233312111111312111133133313331323133313332322321122131121333112   >>