C22212323232133313113313331333133313231323231311211221111112331   >>    C2221232323213331311331333133313331323132323131121122111111233   <<    C22212323232133313113313331333133313231323231311211221111112333   >>      C22212323232133313113313331333133313231323231311211221111112332   >>