C132233133112121111331333133313231333133313231133132313232111211   >>    C13223313311212111133133313331323133313331323113313231323211121   <<    C132233133112121111331333133313231333133313231133132313232111213   >>      C132233133112121111331333133313231333133313231133132313232111212   >>