  amazon | OK. Posted on 3/9/23 8:06 PM  |
  charliz | OK. Posted on 11/9/22 5:24 PM |
 marrog | ok !! Posted on 11/13/20 9:18 PM |
 roodar | superr !!! Posted on 5/21/20 7:59 PM |
  allant | Excellent! Posted on 8/30/16 12:25 PM |
kasperow | Nice. It's good to have an "Impossible Shape"-puzzle unlike the others. Posted on 5/6/12 1:05 AM |
 nafer | tamam güzel Posted on 1/4/12 12:56 AM |
 mindey19 | Beautiful Posted on 9/29/11 8:18 AM |
 bendog69 | Me likey Posted on 12/19/10 10:54 PM |
maartjeiris | wonderful!! =] Posted on 10/9/10 4:55 PM |
terrio | Muy original. Digno de Escher. Posted on 8/8/10 3:03 PM |
 bogusiania | Genialny obrazek... Posted on 4/9/10 10:24 PM |
 reir17 | Muy bueno. Lo que es imposible es la hélice, no la figura, ésta es posible, pero sería algo inutilizable, no una hélice. Your welcome. Posted on 2/6/10 10:05 PM |
 lidoca | I can't see it's impossibility either... Posted on 2/5/10 4:20 PM |
jjules | Nice puzzle, but I don't see the impossibility in this one. Posted on 1/23/10 10:33 PM |
 mrsbikarbona | excellent  Posted on 6/23/09 10:51 PM |
  ulkopuolinen | that was pretty neat Posted on 5/28/09 1:50 PM |
mmielcarek | super Posted on 9/4/08 5:52 PM |
 owlet | I love these puzzles Posted on 6/17/08 6:20 PM |
 beckerpf | Este é outra figura de um clássico problema de Topologia. Posted on 2/18/08 8:11 AM |
bookaholic | wicked Posted on 1/26/08 11:57 PM |
 alexoharared | nice puzzle thanks Posted on 1/19/08 11:10 PM |
tp3mom | That was FUN Posted on 1/17/08 12:15 AM |
kayton | fun Posted on 1/15/08 8:34 AM |
eddieh | A nice challenge Posted on 1/15/08 1:28 AM |
ine | very nice job Posted on 1/14/08 9:24 PM |