C22212323232133313113313331333133313231323231311211213111133131   >>    C2221232323213331311331333133313331323132323131121121311113313   <<    C22212323232133313113313331333133313231323231311211213111133133   >>      C22212323232133313113313331333133313231323231311211213111133132   >>