C11111333133313232233133313331333131133132313331333132211212331313311   >>    C1111133313331323223313331333133313113313231333133313221121233131331   <<    C11111333133313232233133313331333131133132313331333132211212331313313   >>      C11111333133313232233133313331333131133132313331333132211212331313312   >>