C313212111133131211331333133313331333133313231333133313331311331322333122311   >>    C31321211113313121133133313331333133313331323133313331333131133132233312231   <<    C313212111133131211331333133313331333133313231333133313331311331322333122313   >>      C313212111133131211331333133313331333133313231333133313331311331322333122312   >>