C132233133112121111331333133313231333133313231323223311211331333211   >>    C13223313311212111133133313331323133313331323132322331121133133321   <<    C132233133112121111331333133313231333133313231323223311211331333213   >>      C132233133112121111331333133313231333133313231323223311211331333212   >>