C2221232323213331311331333133313231333132313221323131211221333222331   >>    C222123232321333131133133313331323133313231322132313121122133322233   <<    C2221232323213331311331333133313231333132313221323131211221333222333   >>      C2221232323213331311331333133313231333132313221323131211221333222332   >>