C313212111113331323312111133133313331333133313331333132221223311   >>    C31321211111333132331211113313331333133313331333133313222122331   <<    C313212111113331323312111133133313331333133313331333132221223313   >>      C313212111113331323312111133133313331333133313331333132221223312   >>