4 x ( 5 ) + 1 = 21
          
(    ) x 5 - 1 = 9
          
(    ) x 6 - 2 = 22
          
(    ) x 6 - 1 = 11
          
(    ) x 3 + 2 = 11
          
3 x (    ) - 1 = 5
          
(    ) x 7 + 2 = 37
          
7 x (    ) + 2 = 23
          
4 x (    ) + 2 = 18
          
(    ) x 2 + 3 = 15
          
3 x (    ) + 2 = 11
          
6 x (    ) - 3 = 39
          
(    ) x 7 + 1 = 36
          
3 x (    ) + 2 = 23
          
          +[    ]

(    ) x 4 - 2 = 14
          
(    ) x 7 - 1 = 13
          
(    ) x 7 + 3 = 31
          
7 x (    ) - 1 = 13
          
(    ) x 2 + 4 = 14
          
5 x (    ) + 1 = 11
          
2 x (    ) + 3 = 11
          
4 x (    ) + 1 = 25
          
6 x (    ) - 2 = 34
          
7 x (    ) - 6 = 43
          
(    ) x 5 - 1 = 24
          
(    ) x 4 - 5 = 23
          
(    ) x 2 + 2 = 10
          
2 x (    ) - 6 = 8
          
          +[    ]

(    ) x 3 + 3 = 21
          
2 x (    ) + 1 = 5
          
(    ) x 6 + 1 = 31
          
6 x (    ) + 1 = 13
          
6 x (    ) - 1 = 23
          
(    ) x 6 + 2 = 20
          
4 x (    ) + 2 = 26
          
(    ) x 2 + 3 = 17
          
3 x (    ) - 1 = 14
          
(    ) x 5 - 4 = 31
          
(    ) x 6 - 2 = 22
          
3 x (    ) - 1 = 5
          
(    ) x 4 + 2 = 22
          
3 x (    ) - 1 = 5
          
          +[    ]

  ++[[       ]]