C111113331333132322331333133313331333133313121111331333121111331323323311   >>    C11111333133313232233133313331333133313331312111133133312111133132332331   <<    C111113331333132322331333133313331333133313121111331333121111331323323313   >>      C111113331333132322331333133313331333133313121111331333121111331323323312   >>