C1111133313331323223313331333133313311232313112121111331311112331   >>    C111113331333132322331333133313331331123231311212111133131111233   <<    C1111133313331323223313331333133313311232313112121111331311112333   >>      C1111133313331323223313331333133313311232313112121111331311112332   >>