C111113331333132322331333133313331333133313121111121111112221311   >>    C11111333133313232233133313331333133313331312111112111111222131   <<    C111113331333132322331333133313331333133313121111121111112221313   >>      C111113331333132322331333133313331333133313121111121111112221312   >>