C11111333133313232233133313331333131133131331121111331322121231   >>    C1111133313331323223313331333133313113313133112111133132212123   <<    C11111333133313232233133313331333131133131331121111331322121233   >>      C11111333133313232233133313331333131133131331121111331322121232   >>