C31232233133313221211113313331333133313331212111133132331133132312313111211   >>    C3123223313331322121111331333133313331333121211113313233113313231231311121   <<    C31232233133313221211113313331333133313331212111133132331133132312313111213   >>      C31232233133313221211113313331333133313331212111133132331133132312313111212   >>