7 + ( 2 ) - 1 = 8
          
2 + (    ) - 1 = 7
          
(    ) + 7 + 1 = 10
          
(    ) + 6 - 1 = 11
          
6 + (    ) - 6 = 8
          
7 + (    ) - 5 = 9
          
(    ) + 8 + 1 = 11
          
4 + (    ) + 4 = 15
          
(    ) + 4 - 2 = 11
          
2 + (    ) - 3 = 3
          
7 + (    ) + 6 = 21
          
(    ) + 7 + 3 = 15
          
9 + (    ) + 1 = 12
          
3 + (    ) + 4 = 12
          
          +[    ]

(    ) + 8 - 4 = 13
          
8 + (    ) - 4 = 10
          
8 + (    ) + 4 = 20
          
(    ) + 8 - 1 = 14
          
5 + (    ) - 2 = 6
          
5 + (    ) - 2 = 10
          
(    ) + 9 + 3 = 21
          
7 + (    ) - 4 = 8
          
(    ) + 3 + 1 = 7
          
4 + (    ) + 1 = 9
          
(    ) + 2 - 1 = 3
          
(    ) + 9 + 1 = 15
          
2 + (    ) + 2 = 13
          
(    ) + 9 - 3 = 12
          
          +[    ]

7 + (    ) - 2 = 9
          
(    ) + 6 - 2 = 10
          
3 + (    ) - 1 = 4
          
3 + (    ) - 3 = 6
          
6 + (    ) + 4 = 19
          
7 + (    ) - 1 = 14
          
(    ) + 8 + 2 = 14
          
5 + (    ) + 3 = 13
          
(    ) + 4 + 1 = 7
          
(    ) + 2 - 3 = 4
          
7 + (    ) + 2 = 18
          
(    ) + 6 - 2 = 10
          
5 + (    ) - 2 = 6
          
3 + (    ) - 3 = 6
          
          +[    ]

  ++[[       ]]