C313212111133131211331333133313331333133312111133133313331311331322332321   >>    C31321211113313121133133313331333133313331211113313331333131133132233232   <<    C313212111133131211331333133313331333133312111133133313331311331322332323   >>      C313212111133131211331333133313331333133312111133133313331311331322332322   >>