C11111333133313232233133313331333131133132313331312111113111333131132311   >>    C1111133313331323223313331333133313113313231333131211111311133313113231   <<    C11111333133313232233133313331333131133132313331312111113111333131132313   >>      C11111333133313232233133313331333131133132313331312111113111333131132312   >>