Nim([7, 3])


{[1, 2, 3], [1, 3, 2], [1, 4, 5], [1, 5, 4], [1, 6, 7], [1, 7, 6], [1, 8, 9], 

  [1, 9, 8], [2, 1, 3], [2, 3, 1], [2, 4, 6], [2, 5, 7], [2, 6, 4], [2, 7, 5], 

  [2, 8, 10], [2, 10, 8], [3, 1, 2], [3, 2, 1], [3, 4, 7], [3, 5, 6], 

  [3, 6, 5], [3, 7, 4], [3, 9, 10], [3, 10, 9], [4, 1, 5], [4, 2, 6], 

  [4, 3, 7], [4, 5, 1], [4, 6, 2], [4, 7, 3], [5, 1, 4], [5, 2, 7], [5, 3, 6], 

  [5, 4, 1], [5, 6, 3], [5, 7, 2], [6, 1, 7], [6, 2, 4], [6, 3, 5], [6, 4, 2], 

  [6, 5, 3], [6, 7, 1], [7, 1, 6], [7, 2, 5], [7, 3, 4], [7, 4, 3], [7, 5, 2], 

  [7, 6, 1], [8, 1, 9], [8, 2, 10], [8, 9, 1], [8, 10, 2], [9, 1, 8], 

  [9, 3, 10], [9, 8, 1], [9, 10, 3], [10, 2, 8], [10, 3, 9], [10, 8, 2], 

  [10, 9, 3]}



                                {}, {}, {}, {}


{[1, 2], [2, 1], [3, 5], [4, 7], [5, 3], [6, 10], [7, 4], [8, 13], [9, 15], 

  [10, 6], [11, 18], [12, 20], [13, 8], [14, 23], [15, 9], [18, 11], [20, 12], 

  [23, 14]}