C31232233133313221211113313331333132313331333133313331333231322331   >>    C3123223313331322121111331333133313231333133313331333133323132233   <<    C31232233133313221211113313331333132313331333133313331333231322333   >>      C31232233133313221211113313331333132313331333133313331333231322332   >>