C313212111113331323312111133133313331333133313331333133313331312111112223311   >>    C31321211111333132331211113313331333133313331333133313331333131211111222331   <<    C313212111113331323312111133133313331333133313331333133313331312111112223313   >>      C313212111113331323312111133133313331333133313331333133313331312111112223312   >>