C31232233133313221211113313331333133313331212111133132313311211331   >>    C3123223313331322121111331333133313331333121211113313231331121133   <<    C31232233133313221211113313331333133313331212111133132313311211333   >>      C31232233133313221211113313331333133313331212111133132313311211332   >>