C11111333133313232233133313331333131133132221121111331323312131   >>    C1111133313331323223313331333133313113313222112111133132331213   <<    C11111333133313232233133313331333131133132221121111331323312133   >>      C11111333133313232233133313331333131133132221121111331323312132   >>