C132233133112121111331333133313331333132313231332111111211332211   >>    C13223313311212111133133313331333133313231323133211111121133221   <<    C132233133112121111331333133313331333132313231332111111211332213   >>      C132233133112121111331333133313331333132313231332111111211332212   >>