C11111333133313232233133313331333131133131211111333132333112311   >>    C1111133313331323223313331333133313113313121111133313233311231   <<    C11111333133313232233133313331333131133131211111333132333112313   >>      C11111333133313232233133313331333131133131211111333132333112312   >>