C132233133112121111331333133313231333133313231211113313121111332221   >>    C13223313311212111133133313331323133313331323121111331312111133222   <<    C132233133112121111331333133313231333133313231211113313121111332223   >>      C132233133112121111331333133313231333133313231211113313121111332222   >>