C132233133112121111331333133313331323331333133313231333121133131211   >>    C13223313311212111133133313331333132333133313331323133312113313121   <<    C132233133112121111331333133313331323331333133313231333121133131213   >>      C132233133112121111331333133313331323331333133313231333121133131212   >>