7 x ( 2 ) + 1 = 15
          
2 x (    ) + 1 = 5
          
6 x (    ) + 1 = 43
          
(    ) x 6 - 2 = 16
          
(    ) x 3 + 1 = 13
          
6 x (    ) - 4 = 32
          
4 x (    ) + 1 = 25
          
(    ) x 7 + 1 = 22
          
(    ) x 4 + 1 = 21
          
(    ) x 2 + 5 = 19
          
3 x (    ) + 3 = 15
          
3 x (    ) - 1 = 11
          
7 x (    ) + 1 = 15
          
3 x (    ) - 1 = 5
          
          +[    ]

7 x (    ) + 4 = 53
          
(    ) x 7 + 1 = 22
          
4 x (    ) - 3 = 13
          
7 x (    ) + 2 = 37
          
(    ) x 5 - 4 = 26
          
(    ) x 2 + 1 = 7
          
(    ) x 2 - 3 = 11
          
(    ) x 3 - 3 = 18
          
(    ) x 6 - 5 = 31
          
7 x (    ) + 1 = 15
          
(    ) x 5 + 4 = 34
          
4 x (    ) - 1 = 7
          
2 x (    ) - 2 = 12
          
(    ) x 2 + 1 = 5
          
          +[    ]

4 x (    ) + 1 = 13
          
2 x (    ) - 4 = 6
          
(    ) x 3 + 1 = 7
          
6 x (    ) - 5 = 31
          
(    ) x 6 - 2 = 28
          
6 x (    ) + 1 = 25
          
(    ) x 7 + 3 = 45
          
(    ) x 2 + 1 = 5
          
(    ) x 4 + 1 = 9
          
(    ) x 3 + 3 = 15
          
3 x (    ) - 5 = 16
          
(    ) x 3 - 1 = 5
          
4 x (    ) + 2 = 14
          
3 x (    ) + 2 = 17
          
          +[    ]

  ++[[       ]]