C132233133112121111331333133313231333133313231211113311232312131   >>    C13223313311212111133133313331323133313331323121111331123231213   <<    C132233133112121111331333133313231333133313231211113311232312133   >>      C132233133112121111331333133313231333133313231211113311232312132   >>