(24, 4)
          ( 4 )

(63, 27)
          (    )

(18, 15)
          (    )

(25, 10)
          (    )

(12, 4)
          (    )

(10, 6)
          (    )

(42, 6)
          (    )

(10, 20)
          (    )

(18, 42)
          (    )

        +[    ]

(8, 64)
          (    )

(10, 6)
          (    )

(6, 21)
          (    )

(20, 15)
          (    )

(16, 2)
          (    )

(55, 11)
          (    )

(24, 30)
          (    )

(24, 27)
          (    )

(18, 45)
          (    )

        +[    ]

(5, 20)
          (    )

(22, 99)
          (    )

(12, 30)
          (    )

(27, 3)
          (    )

(40, 56)
          (    )

(24, 20)
          (    )

(21, 9)
          (    )

(80, 50)
          (    )

(90, 10)
          (    )

        +[    ]

(18, 6)
          (    )

(24, 32)
          (    )

(8, 18)
          (    )

(81, 72)
          (    )

(18, 3)
          (    )

(30, 24)
          (    )

(9, 81)
          (    )

(4, 12)
          (    )

(24, 20)
          (    )

        +[    ]

(24, 18)
          (    )

(32, 40)
          (    )

(60, 70)
          (    )

(8, 72)
          (    )

(25, 30)
          (    )

(20, 16)
          (    )

(18, 10)
          (    )

(36, 6)
          (    )

(54, 63)
          (    )

        +[    ]

  ++[[       ]]

(24, 4)
          ( 4 )
(63, 27)
          ( 9 )
(18, 15)
          ( 3 )
(25, 10)
          ( 5 )
(12, 4)
          ( 4 )
(10, 6)
          ( 2 )
(42, 6)
          ( 6 )
(10, 20)
          ( 10 )
(18, 42)
          ( 6 )
        +[    ]

(8, 64)
          ( 8 )
(10, 6)
          ( 2 )
(6, 21)
          ( 3 )
(20, 15)
          ( 5 )
(16, 2)
          ( 2 )
(55, 11)
          ( 11 )
(24, 30)
          ( 6 )
(24, 27)
          ( 3 )
(18, 45)
          ( 9 )
        +[    ]

(5, 20)
          ( 5 )
(22, 99)
          ( 11 )
(12, 30)
          ( 6 )
(27, 3)
          ( 3 )
(40, 56)
          ( 8 )
(24, 20)
          ( 4 )
(21, 9)
          ( 3 )
(80, 50)
          ( 10 )
(90, 10)
          ( 10 )
        +[    ]

(18, 6)
          ( 6 )
(24, 32)
          ( 8 )
(8, 18)
          ( 2 )
(81, 72)
          ( 9 )
(18, 3)
          ( 3 )
(30, 24)
          ( 6 )
(9, 81)
          ( 9 )
(4, 12)
          ( 4 )
(24, 20)
          ( 4 )
        +[    ]

(24, 18)
          ( 6 )
(32, 40)
          ( 8 )
(60, 70)
          ( 10 )
(8, 72)
          ( 8 )
(25, 30)
          ( 5 )
(20, 16)
          ( 4 )
(18, 10)
          ( 2 )
(36, 6)
          ( 6 )
(54, 63)
          ( 9 )
        +[    ]

  ++[[       ]]