C1111133313331323223313331333133313311232313112121111331311332212111   >>    C111113331333132322331333133313331331123231311212111133131133221211   <<    C1111133313331323223313331333133313311232313112121111331311332212113   >>      C1111133313331323223313331333133313311232313112121111331311332212112   >>