C31232233133313221211113313331333133313331212111133132312311331   >>    C3123223313331322121111331333133313331333121211113313231231133   <<    C31232233133313221211113313331333133313331212111133132312311333   >>      C31232233133313221211113313331333133313331212111133132312311332   >>