( 2 ) x 2 = 4
          
(    ) x 6 = 30
          
(    ) x 7 = 21
          
(    ) x 3 = 21
          
(    ) x 6 = 12
          
7 x (    ) = 49
          
(    ) x 7 = 35
          
(    ) x 4 = 8
          
(    ) x 7 = 14
          
(    ) x 6 = 30
          
(    ) x 7 = 14
          
(    ) x 4 = 20
          
2 x (    ) = 8
          
(    ) x 7 = 35
          
          +[    ]

2 x (    ) = 6
          
(    ) x 5 = 25
          
7 x (    ) = 14
          
2 x (    ) = 14
          
(    ) x 3 = 12
          
(    ) x 5 = 35
          
2 x (    ) = 6
          
(    ) x 7 = 28
          
(    ) x 3 = 15
          
(    ) x 5 = 25
          
(    ) x 3 = 12
          
(    ) x 2 = 10
          
3 x (    ) = 6
          
6 x (    ) = 30
          
          +[    ]

4 x (    ) = 20
          
(    ) x 3 = 18
          
4 x (    ) = 12
          
6 x (    ) = 36
          
(    ) x 3 = 9
          
4 x (    ) = 28
          
4 x (    ) = 20
          
(    ) x 6 = 30
          
(    ) x 4 = 16
          
(    ) x 3 = 15
          
4 x (    ) = 8
          
7 x (    ) = 35
          
5 x (    ) = 25
          
(    ) x 4 = 28
          
          +[    ]

5 x (    ) = 20
          
7 x (    ) = 49
          
(    ) x 4 = 12
          
(    ) x 5 = 35
          
5 x (    ) = 25
          
(    ) x 7 = 35
          
(    ) x 5 = 20
          
4 x (    ) = 20
          
5 x (    ) = 10
          
(    ) x 2 = 10
          
6 x (    ) = 18
          
(    ) x 5 = 30
          
6 x (    ) = 18
          
(    ) x 2 = 14
          
          +[    ]

  ++[[       ]]