C1111133313331323223313331333133313311232313112121111331311331323132211   >>    C111113331333132322331333133313331331123231311212111133131133132313221   <<    C1111133313331323223313331333133313311232313112121111331311331323132213   >>      C1111133313331323223313331333133313311232313112121111331311331323132212   >>