Free printable Numpath puzzle game (compare to Numbrix)

Printable, reloadable, free, and always new, Numpath puzzle brain-teaser games are here. Print out this page, and play at your convenience. Simply fill in the empty squares with numbers, ending up with a "path" from number one to number eighty-one. Each number must adjoin the number before and after it, horizontally or vertically (not diagonally). Enjoy!
                                             
     3334375255561     
     16                         2     
     17                         3     
     18                         4     
     19                         5     
     20                         6     
     21807774737069     
                                             
Google ad
     
51     53     69     71     81
     49     55     67     73     
11                                   79
     13                         75     
9                                   77
     1                         29     
7                                   27
     3     35     33     31     
5     19     21     23     25
                                             
     23284342478075     
     22                         76     
     19                         77     
     18                         64     
     9                         65     
     10                         66     
     11632536059     
                                             
25     27     45     81     73
     23     43     47     75     
21                                   71
     19                         77     
17                                   69
     9                         65     
15                                   67
     11     3     53     59     
13     5     1     55     57
                                             
     31303754576063     
     26                         64     
     27                         65     
     20                         68     
     21                         69     
     16                         70     
     1110123471     
                                             
23     25     31     77     69
     21     29     79     71     
19                                   67
     13                         73     
17                                   65
     15                         63     
1                                   61
     7     39     43     59     
3     5     41     55     57
Dance, Tux, Dance! http://schooler.net/numpath - This website is powered by CentOS Linux.
No microsoft products in use here!