C22212323232133313113313331333133313113313121223323113133311131   >>    C2221232323213331311331333133313331311331312122332311313331113   <<    C22212323232133313113313331333133313113313121223323113133311133   >>      C22212323232133313113313331333133313113313121223323113133311132   >>