C132233133112121111331333133313231333133313231212111133131121121131   >>    C13223313311212111133133313331323133313331323121211113313112112113   <<    C132233133112121111331333133313231333133313231212111133131121121133   >>      C132233133112121111331333133313231333133313231212111133131121121132   >>