3 x ( 5 ) + 4 = 19
          
2 x (    ) + 1 = 5
          
(    ) x 2 - 3 = 7
          
(    ) x 2 + 1 = 5
          
(    ) x 2 + 2 = 10
          
3 x (    ) - 1 = 5
          
6 x (    ) + 4 = 34
          
3 x (    ) + 2 = 11
          
3 x (    ) - 2 = 10
          
(    ) x 5 + 4 = 39
          
3 x (    ) - 1 = 11
          
2 x (    ) - 4 = 10
          
(    ) x 7 - 4 = 31
          
3 x (    ) + 1 = 7
          
          +[    ]

(    ) x 7 + 2 = 30
          
(    ) x 3 + 1 = 7
          
(    ) x 6 - 2 = 22
          
(    ) x 4 - 1 = 7
          
4 x (    ) - 1 = 19
          
4 x (    ) + 1 = 13
          
7 x (    ) + 2 = 30
          
(    ) x 6 + 6 = 48
          
(    ) x 2 + 3 = 15
          
6 x (    ) + 4 = 46
          
(    ) x 2 - 2 = 8
          
(    ) x 7 + 1 = 50
          
(    ) x 4 + 3 = 19
          
(    ) x 7 + 1 = 15
          
          +[    ]

3 x (    ) - 2 = 16
          
(    ) x 2 + 1 = 5
          
(    ) x 5 + 3 = 28
          
2 x (    ) - 1 = 3
          
(    ) x 5 - 2 = 18
          
(    ) x 3 - 2 = 7
          
6 x (    ) - 4 = 32
          
7 x (    ) + 1 = 50
          
(    ) x 6 + 2 = 32
          
(    ) x 2 + 4 = 18
          
(    ) x 3 + 3 = 15
          
(    ) x 5 - 1 = 9
          
(    ) x 4 + 5 = 29
          
(    ) x 6 - 1 = 11
          
          +[    ]

  ++[[       ]]