(18, 4)
          ( 2 )

(4, 14)
          (    )

(54, 24)
          (    )

(40, 70)
          (    )

(16, 2)
          (    )

(54, 63)
          (    )

(48, 6)
          (    )

(54, 9)
          (    )

(63, 7)
          (    )

        +[    ]

(18, 10)
          (    )

(6, 21)
          (    )

(16, 36)
          (    )

(35, 10)
          (    )

(72, 40)
          (    )

(44, 55)
          (    )

(15, 6)
          (    )

(8, 14)
          (    )

(30, 5)
          (    )

        +[    ]

(77, 88)
          (    )

(18, 3)
          (    )

(20, 24)
          (    )

(15, 18)
          (    )

(36, 81)
          (    )

(10, 35)
          (    )

(32, 4)
          (    )

(28, 7)
          (    )

(49, 14)
          (    )

        +[    ]

(6, 21)
          (    )

(56, 8)
          (    )

(30, 20)
          (    )

(12, 3)
          (    )

(6, 3)
          (    )

(28, 49)
          (    )

(16, 4)
          (    )

(27, 45)
          (    )

(24, 8)
          (    )

        +[    ]

(40, 70)
          (    )

(35, 7)
          (    )

(40, 32)
          (    )

(42, 48)
          (    )

(49, 42)
          (    )

(55, 88)
          (    )

(12, 30)
          (    )

(6, 18)
          (    )

(56, 35)
          (    )

        +[    ]

  ++[[       ]]

(18, 4)
          ( 2 )
(4, 14)
          ( 2 )
(54, 24)
          ( 6 )
(40, 70)
          ( 10 )
(16, 2)
          ( 2 )
(54, 63)
          ( 9 )
(48, 6)
          ( 6 )
(54, 9)
          ( 9 )
(63, 7)
          ( 7 )
        +[    ]

(18, 10)
          ( 2 )
(6, 21)
          ( 3 )
(16, 36)
          ( 4 )
(35, 10)
          ( 5 )
(72, 40)
          ( 8 )
(44, 55)
          ( 11 )
(15, 6)
          ( 3 )
(8, 14)
          ( 2 )
(30, 5)
          ( 5 )
        +[    ]

(77, 88)
          ( 11 )
(18, 3)
          ( 3 )
(20, 24)
          ( 4 )
(15, 18)
          ( 3 )
(36, 81)
          ( 9 )
(10, 35)
          ( 5 )
(32, 4)
          ( 4 )
(28, 7)
          ( 7 )
(49, 14)
          ( 7 )
        +[    ]

(6, 21)
          ( 3 )
(56, 8)
          ( 8 )
(30, 20)
          ( 10 )
(12, 3)
          ( 3 )
(6, 3)
          ( 3 )
(28, 49)
          ( 7 )
(16, 4)
          ( 4 )
(27, 45)
          ( 9 )
(24, 8)
          ( 8 )
        +[    ]

(40, 70)
          ( 10 )
(35, 7)
          ( 7 )
(40, 32)
          ( 8 )
(42, 48)
          ( 6 )
(49, 42)
          ( 7 )
(55, 88)
          ( 11 )
(12, 30)
          ( 6 )
(6, 18)
          ( 6 )
(56, 35)
          ( 7 )
        +[    ]

  ++[[       ]]