( 9 ) x 2 = 18
          
(    ) x 4 = 16
          
(    ) x 9 = 72
          
9 x (    ) = 45
          
(    ) x 9 = 54
          
(    ) x 5 = 25
          
(    ) x 2 = 18
          
2 x (    ) = 10
          
(    ) x 6 = 42
          
(    ) x 4 = 12
          
6 x (    ) = 36
          
5 x (    ) = 15
          
(    ) x 3 = 27
          
2 x (    ) = 8
          
          +[    ]

(    ) x 3 = 21
          
6 x (    ) = 24
          
2 x (    ) = 12
          
(    ) x 3 = 15
          
4 x (    ) = 36
          
(    ) x 3 = 15
          
(    ) x 3 = 21
          
(    ) x 2 = 4
          
5 x (    ) = 45
          
(    ) x 6 = 18
          
8 x (    ) = 64
          
3 x (    ) = 12
          
8 x (    ) = 56
          
(    ) x 4 = 16
          
          +[    ]

6 x (    ) = 12
          
4 x (    ) = 20
          
(    ) x 9 = 72
          
(    ) x 5 = 25
          
5 x (    ) = 35
          
5 x (    ) = 25
          
6 x (    ) = 54
          
4 x (    ) = 12
          
2 x (    ) = 16
          
4 x (    ) = 12
          
(    ) x 9 = 63
          
(    ) x 9 = 36
          
(    ) x 3 = 27
          
(    ) x 5 = 20
          
          +[    ]

2 x (    ) = 16
          
(    ) x 2 = 10
          
2 x (    ) = 14
          
3 x (    ) = 15
          
(    ) x 8 = 72
          
5 x (    ) = 15
          
7 x (    ) = 56
          
(    ) x 2 = 6
          
3 x (    ) = 21
          
2 x (    ) = 8
          
(    ) x 8 = 72
          
(    ) x 3 = 12
          
4 x (    ) = 28
          
7 x (    ) = 35
          
          +[    ]

  ++[[       ]]