C31232233133313221211113313331333133313331212111133132213332313221   >>    C3123223313331322121111331333133313331333121211113313221333231322   <<    C31232233133313221211113313331333133313331212111133132213332313223   >>      C31232233133313221211113313331333133313331212111133132213332313222   >>