C132233133112121111331333133313231333133313231133133313112211231131   >>    C13223313311212111133133313331323133313331323113313331311221123113   <<    C132233133112121111331333133313231333133313231133133313112211231133   >>      C132233133112121111331333133313231333133313231133133313112211231132   >>