C22212323232133313113313331333133313231323231311211221113321111   >>    C2221232323213331311331333133313331323132323131121122111332111   <<    C22212323232133313113313331333133313231323231311211221113321113   >>      C22212323232133313113313331333133313231323231311211221113321112   >>