C31232233133313221211113313331333133313331212111133131211111131222321   >>    C3123223313331322121111331333133313331333121211113313121111113122232   <<    C31232233133313221211113313331333133313331212111133131211111131222323   >>      C31232233133313221211113313331333133313331212111133131211111131222322   >>