C132233133112121111331333133313331333132313231332121111331321123111   >>    C13223313311212111133133313331333133313231323133212111133132112311   <<    C132233133112121111331333133313331333132313231332121111331321123113   >>      C132233133112121111331333133313331333132313231332121111331321123112   >>