C132233133112121111331333133313231333133313231211113313121111122233231   >>    C13223313311212111133133313331323133313331323121111331312111112223323   <<    C132233133112121111331333133313231333133313231211113313121111122233233   >>      C132233133112121111331333133313231333133313231211113313121111122233232   >>