C22212323232133313113313331333133313231323231311211221111331121   >>    C2221232323213331311331333133313331323132323131121122111133112   <<    C22212323232133313113313331333133313231323231311211221111331123   >>      C22212323232133313113313331333133313231323231311211221111331122   >>