(35, 10)
          ( 5 )

(22, 33)
          (    )

(50, 90)
          (    )

(24, 6)
          (    )

(42, 7)
          (    )

(32, 36)
          (    )

(8, 28)
          (    )

(15, 40)
          (    )

(60, 70)
          (    )

        +[    ]

(72, 8)
          (    )

(36, 45)
          (    )

(10, 45)
          (    )

(14, 4)
          (    )

(8, 18)
          (    )

(40, 10)
          (    )

(12, 6)
          (    )

(9, 3)
          (    )

(21, 9)
          (    )

        +[    ]

(16, 36)
          (    )

(12, 4)
          (    )

(48, 42)
          (    )

(12, 42)
          (    )

(10, 4)
          (    )

(36, 63)
          (    )

(8, 16)
          (    )

(12, 18)
          (    )

(63, 49)
          (    )

        +[    ]

(20, 45)
          (    )

(72, 64)
          (    )

(49, 7)
          (    )

(6, 4)
          (    )

(35, 42)
          (    )

(33, 88)
          (    )

(70, 60)
          (    )

(15, 20)
          (    )

(40, 72)
          (    )

        +[    ]

(3, 6)
          (    )

(72, 63)
          (    )

(30, 80)
          (    )

(27, 15)
          (    )

(66, 77)
          (    )

(50, 20)
          (    )

(18, 15)
          (    )

(2, 12)
          (    )

(35, 49)
          (    )

        +[    ]

  ++[[       ]]

(35, 10)
          ( 5 )
(22, 33)
          ( 11 )
(50, 90)
          ( 10 )
(24, 6)
          ( 6 )
(42, 7)
          ( 7 )
(32, 36)
          ( 4 )
(8, 28)
          ( 4 )
(15, 40)
          ( 5 )
(60, 70)
          ( 10 )
        +[    ]

(72, 8)
          ( 8 )
(36, 45)
          ( 9 )
(10, 45)
          ( 5 )
(14, 4)
          ( 2 )
(8, 18)
          ( 2 )
(40, 10)
          ( 10 )
(12, 6)
          ( 6 )
(9, 3)
          ( 3 )
(21, 9)
          ( 3 )
        +[    ]

(16, 36)
          ( 4 )
(12, 4)
          ( 4 )
(48, 42)
          ( 6 )
(12, 42)
          ( 6 )
(10, 4)
          ( 2 )
(36, 63)
          ( 9 )
(8, 16)
          ( 8 )
(12, 18)
          ( 6 )
(63, 49)
          ( 7 )
        +[    ]

(20, 45)
          ( 5 )
(72, 64)
          ( 8 )
(49, 7)
          ( 7 )
(6, 4)
          ( 2 )
(35, 42)
          ( 7 )
(33, 88)
          ( 11 )
(70, 60)
          ( 10 )
(15, 20)
          ( 5 )
(40, 72)
          ( 8 )
        +[    ]

(3, 6)
          ( 3 )
(72, 63)
          ( 9 )
(30, 80)
          ( 10 )
(27, 15)
          ( 3 )
(66, 77)
          ( 11 )
(50, 20)
          ( 10 )
(18, 15)
          ( 3 )
(2, 12)
          ( 2 )
(35, 49)
          ( 7 )
        +[    ]

  ++[[       ]]