( 4 ) x 4 - 1 = 15
          
2 x (    ) + 3 = 15
          
(    ) x 3 - 2 = 7
          
(    ) x 6 - 3 = 33
          
3 x (    ) - 1 = 8
          
3 x (    ) + 4 = 25
          
4 x (    ) + 3 = 19
          
7 x (    ) - 1 = 13
          
4 x (    ) - 2 = 10
          
3 x (    ) - 1 = 17
          
3 x (    ) + 1 = 7
          
(    ) x 6 + 2 = 38
          
(    ) x 5 + 1 = 21
          
3 x (    ) - 1 = 17
          
          +[    ]

(    ) x 4 + 1 = 13
          
7 x (    ) + 1 = 50
          
4 x (    ) + 1 = 9
          
4 x (    ) - 2 = 26
          
5 x (    ) + 1 = 21
          
2 x (    ) + 1 = 15
          
5 x (    ) + 1 = 16
          
4 x (    ) + 4 = 24
          
(    ) x 6 - 1 = 29
          
7 x (    ) - 4 = 38
          
6 x (    ) - 3 = 21
          
5 x (    ) + 4 = 34
          
(    ) x 5 + 2 = 17
          
(    ) x 2 + 5 = 19
          
          +[    ]

7 x (    ) - 4 = 31
          
(    ) x 5 - 4 = 31
          
6 x (    ) - 3 = 21
          
3 x (    ) - 4 = 17
          
6 x (    ) - 2 = 16
          
(    ) x 6 - 1 = 11
          
7 x (    ) - 4 = 31
          
2 x (    ) + 2 = 14
          
7 x (    ) + 2 = 30
          
(    ) x 5 + 1 = 31
          
(    ) x 6 - 1 = 17
          
(    ) x 3 - 2 = 16
          
(    ) x 2 + 2 = 10
          
6 x (    ) - 3 = 33
          
          +[    ]

  ++[[       ]]