Flaviu Craciun's solution

[jack92657]

An output of my execution is the following

Total attempts made: 60964
Successful attempts: 10000
Time it took to generate 10000 strips: 953 ms

An example of a strip
6  -  20 -  42 52 -  72 -  
7  -  28 31 47 -  -  -  81 
-  15 -  39 -  -  60 74 83 

3  13 -  32 -  -  61 76 -  
-  -  21 -  43 58 65 -  80 
-  19 25 38 -  -  -  78 85 

-  16 22 -  -  51 -  73 86 
5  -  23 33 -  -  66 79 -  
-  -  27 -  46 57 69 -  87 

-  10 -  -  41 53 68 -  82 
1  11 26 30 48 -  -  -  -  
2  -  -  36 49 54 -  77 -  

8  -  -  34 40 50 -  70 -  
-  12 24 -  -  55 64 -  88 
9  14 -  37 45 -  -  71 -  

4  17 -  -  -  -  62 75 84 
-  18 29 -  -  56 63 -  89 
-  -  -  35 44 59 67 -  90