( 8 ) + 7 = 15
          
2 + (    ) = 6
          
7 + (    ) = 14
          
2 + (    ) = 6
          
(    ) + 6 = 12
          
(    ) + 7 = 11
          
(    ) + 4 = 12
          
(    ) + 3 = 8
          
7 + (    ) = 14
          
6 + (    ) = 9
          
(    ) + 3 = 9
          
6 + (    ) = 9
          
4 + (    ) = 12
          
7 + (    ) = 10
          
          +[    ]

(    ) + 8 = 15
          
(    ) + 7 = 11
          
4 + (    ) = 10
          
8 + (    ) = 12
          
9 + (    ) = 17
          
(    ) + 9 = 14
          
9 + (    ) = 16
          
(    ) + 7 = 9
          
6 + (    ) = 15
          
(    ) + 8 = 11
          
(    ) + 6 = 14
          
8 + (    ) = 11
          
5 + (    ) = 12
          
(    ) + 5 = 8
          
          +[    ]

3 + (    ) = 12
          
(    ) + 2 = 6
          
(    ) + 3 = 11
          
2 + (    ) = 6
          
2 + (    ) = 9
          
7 + (    ) = 12
          
(    ) + 4 = 13
          
(    ) + 9 = 12
          
3 + (    ) = 11
          
6 + (    ) = 9
          
(    ) + 7 = 14
          
(    ) + 6 = 10
          
(    ) + 4 = 13
          
7 + (    ) = 11
          
          +[    ]

8 + (    ) = 16
          
7 + (    ) = 12
          
(    ) + 3 = 9
          
(    ) + 8 = 13
          
(    ) + 9 = 18
          
(    ) + 6 = 8
          
5 + (    ) = 13
          
7 + (    ) = 10
          
4 + (    ) = 10
          
(    ) + 8 = 11
          
2 + (    ) = 10
          
4 + (    ) = 8
          
(    ) + 5 = 12
          
9 + (    ) = 13
          
          +[    ]

  ++[[       ]]