C31232233133313221211113313331333132313232233133313113311211331331   >>    C3123223313331322121111331333133313231323223313331311331121133133   <<    C31232233133313221211113313331333132313232233133313113311211331333   >>      C31232233133313221211113313331333132313232233133313113311211331332   >>