C132233133112121111331333133313331333132313231332133313232211312131   >>    C13223313311212111133133313331333133313231323133213331323221131213   <<    C132233133112121111331333133313331333132313231332133313232211312133   >>      C132233133112121111331333133313331333132313231332133313232211312132   >>