(54, 9)
          ( 9 )

(72, 32)
          (    )

(9, 3)
          (    )

(12, 10)
          (    )

(3, 3)
          (    )

(63, 49)
          (    )

(36, 9)
          (    )

(72, 81)
          (    )

(3, 12)
          (    )

        +[    ]

(40, 10)
          (    )

(8, 14)
          (    )

(35, 30)
          (    )

(54, 9)
          (    )

(8, 18)
          (    )

(44, 99)
          (    )

(63, 45)
          (    )

(48, 42)
          (    )

(24, 20)
          (    )

        +[    ]

(12, 6)
          (    )

(72, 16)
          (    )

(12, 2)
          (    )

(10, 16)
          (    )

(10, 10)
          (    )

(48, 54)
          (    )

(99, 88)
          (    )

(44, 11)
          (    )

(6, 10)
          (    )

        +[    ]

(11, 66)
          (    )

(9, 12)
          (    )

(54, 24)
          (    )

(22, 99)
          (    )

(45, 54)
          (    )

(99, 77)
          (    )

(32, 40)
          (    )

(16, 2)
          (    )

(18, 27)
          (    )

        +[    ]

(48, 54)
          (    )

(30, 70)
          (    )

(11, 11)
          (    )

(30, 12)
          (    )

(14, 6)
          (    )

(20, 8)
          (    )

(25, 5)
          (    )

(8, 14)
          (    )

(44, 77)
          (    )

        +[    ]

  ++[[       ]]

(54, 9)
          ( 9 )
(72, 32)
          ( 8 )
(9, 3)
          ( 3 )
(12, 10)
          ( 2 )
(3, 3)
          ( 3 )
(63, 49)
          ( 7 )
(36, 9)
          ( 9 )
(72, 81)
          ( 9 )
(3, 12)
          ( 3 )
        +[    ]

(40, 10)
          ( 10 )
(8, 14)
          ( 2 )
(35, 30)
          ( 5 )
(54, 9)
          ( 9 )
(8, 18)
          ( 2 )
(44, 99)
          ( 11 )
(63, 45)
          ( 9 )
(48, 42)
          ( 6 )
(24, 20)
          ( 4 )
        +[    ]

(12, 6)
          ( 6 )
(72, 16)
          ( 8 )
(12, 2)
          ( 2 )
(10, 16)
          ( 2 )
(10, 10)
          ( 10 )
(48, 54)
          ( 6 )
(99, 88)
          ( 11 )
(44, 11)
          ( 11 )
(6, 10)
          ( 2 )
        +[    ]

(11, 66)
          ( 11 )
(9, 12)
          ( 3 )
(54, 24)
          ( 6 )
(22, 99)
          ( 11 )
(45, 54)
          ( 9 )
(99, 77)
          ( 11 )
(32, 40)
          ( 8 )
(16, 2)
          ( 2 )
(18, 27)
          ( 9 )
        +[    ]

(48, 54)
          ( 6 )
(30, 70)
          ( 10 )
(11, 11)
          ( 11 )
(30, 12)
          ( 6 )
(14, 6)
          ( 2 )
(20, 8)
          ( 4 )
(25, 5)
          ( 5 )
(8, 14)
          ( 2 )
(44, 77)
          ( 11 )
        +[    ]

  ++[[       ]]