C11111333133313232233133313331333131133131331121111112113313133231   >>    C1111133313331323223313331333133313113313133112111111211331313323   <<    C11111333133313232233133313331333131133131331121111112113313133233   >>      C11111333133313232233133313331333131133131331121111112113313133232   >>