C22212323232133313113313331333133313231323231311211221222233131   >>    C2221232323213331311331333133313331323132323131121122122223313   <<    C22212323232133313113313331333133313231323231311211221222233133   >>      C22212323232133313113313331333133313231323231311211221222233132   >>