C22212323232133313113313331333133313231323231311211222332223231   >>    C2221232323213331311331333133313331323132323131121122233222323   <<    C22212323232133313113313331333133313231323231311211222332223233   >>      C22212323232133313113313331333133313231323231311211222332223232   >>