| 101829409 | 19229212 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19231583 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19232272 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19232599 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19233190 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19235245 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19235254 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19236167 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19236241 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19236999 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19237446 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19239320 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19240278 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19242462 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19245039 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19245525 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19248775 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19251875 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19252123 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19254966 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19258136 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19258548 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19259858 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19261724 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19263076 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19263385 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19265712 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19267109 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19268110 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19270737 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19272773 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19274063 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19274411 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19275222 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19280293 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19281163 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19281452 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19281833 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19282623 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19282858 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19283054 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19296463 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19296884 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19303261 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19304598 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19307821 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19319116 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19327933 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19341185 | The Nine-Pipe Problem | Quality: Unique, Marketable: No | 
        
            | 101829409 | 19344784 | The Nine-Pipe Problem | Quality: Unique, Marketable: No |