(27, 63)
          ( 9 )

(30, 80)
          (    )

(5, 20)
          (    )

(40, 48)
          (    )

(32, 72)
          (    )

(40, 56)
          (    )

(4, 18)
          (    )

(16, 14)
          (    )

(10, 15)
          (    )

        +[    ]

(10, 2)
          (    )

(35, 5)
          (    )

(5, 5)
          (    )

(15, 20)
          (    )

(40, 70)
          (    )

(36, 42)
          (    )

(18, 15)
          (    )

(24, 21)
          (    )

(48, 30)
          (    )

        +[    ]

(72, 45)
          (    )

(40, 50)
          (    )

(88, 11)
          (    )

(45, 72)
          (    )

(63, 35)
          (    )

(72, 63)
          (    )

(56, 35)
          (    )

(24, 20)
          (    )

(9, 24)
          (    )

        +[    ]

(12, 42)
          (    )

(30, 36)
          (    )

(36, 45)
          (    )

(30, 42)
          (    )

(30, 5)
          (    )

(44, 77)
          (    )

(2, 4)
          (    )

(63, 56)
          (    )

(36, 32)
          (    )

        +[    ]

(8, 28)
          (    )

(22, 33)
          (    )

(11, 22)
          (    )

(48, 54)
          (    )

(28, 4)
          (    )

(56, 49)
          (    )

(66, 77)
          (    )

(42, 7)
          (    )

(28, 63)
          (    )

        +[    ]

  ++[[       ]]

(27, 63)
          ( 9 )
(30, 80)
          ( 10 )
(5, 20)
          ( 5 )
(40, 48)
          ( 8 )
(32, 72)
          ( 8 )
(40, 56)
          ( 8 )
(4, 18)
          ( 2 )
(16, 14)
          ( 2 )
(10, 15)
          ( 5 )
        +[    ]

(10, 2)
          ( 2 )
(35, 5)
          ( 5 )
(5, 5)
          ( 5 )
(15, 20)
          ( 5 )
(40, 70)
          ( 10 )
(36, 42)
          ( 6 )
(18, 15)
          ( 3 )
(24, 21)
          ( 3 )
(48, 30)
          ( 6 )
        +[    ]

(72, 45)
          ( 9 )
(40, 50)
          ( 10 )
(88, 11)
          ( 11 )
(45, 72)
          ( 9 )
(63, 35)
          ( 7 )
(72, 63)
          ( 9 )
(56, 35)
          ( 7 )
(24, 20)
          ( 4 )
(9, 24)
          ( 3 )
        +[    ]

(12, 42)
          ( 6 )
(30, 36)
          ( 6 )
(36, 45)
          ( 9 )
(30, 42)
          ( 6 )
(30, 5)
          ( 5 )
(44, 77)
          ( 11 )
(2, 4)
          ( 2 )
(63, 56)
          ( 7 )
(36, 32)
          ( 4 )
        +[    ]

(8, 28)
          ( 4 )
(22, 33)
          ( 11 )
(11, 22)
          ( 11 )
(48, 54)
          ( 6 )
(28, 4)
          ( 4 )
(56, 49)
          ( 7 )
(66, 77)
          ( 11 )
(42, 7)
          ( 7 )
(28, 63)
          ( 7 )
        +[    ]

  ++[[       ]]