C313212111133131211331333133313331333133312111133133313331333133313222332321   >>    C31321211113313121133133313331333133313331211113313331333133313331322233232   <<    C313212111133131211331333133313331333133312111133133313331333133313222332323   >>      C313212111133131211331333133313331333133312111133133313331333133313222332322   >>