C31232233133313221211113313331333133313331212111133132322133313222313231   >>    C3123223313331322121111331333133313331333121211113313232213331322231323   <<    C31232233133313221211113313331333133313331212111133132322133313222313233   >>      C31232233133313221211113313331333133313331212111133132322133313222313232   >>