(66, 77)
          ( 11 )

(12, 21)
          (    )

(15, 27)
          (    )

(6, 18)
          (    )

(30, 70)
          (    )

(25, 45)
          (    )

(88, 33)
          (    )

(20, 45)
          (    )

(6, 3)
          (    )

        +[    ]

(8, 28)
          (    )

(2, 12)
          (    )

(12, 20)
          (    )

(30, 5)
          (    )

(10, 60)
          (    )

(64, 56)
          (    )

(28, 35)
          (    )

(20, 35)
          (    )

(24, 15)
          (    )

        +[    ]

(32, 72)
          (    )

(42, 35)
          (    )

(60, 50)
          (    )

(56, 49)
          (    )

(4, 16)
          (    )

(21, 27)
          (    )

(28, 21)
          (    )

(12, 30)
          (    )

(54, 63)
          (    )

        +[    ]

(4, 12)
          (    )

(36, 30)
          (    )

(12, 28)
          (    )

(8, 36)
          (    )

(42, 7)
          (    )

(56, 64)
          (    )

(5, 15)
          (    )

(30, 42)
          (    )

(18, 48)
          (    )

        +[    ]

(28, 7)
          (    )

(27, 63)
          (    )

(66, 11)
          (    )

(50, 60)
          (    )

(99, 55)
          (    )

(20, 70)
          (    )

(4, 4)
          (    )

(40, 10)
          (    )

(30, 5)
          (    )

        +[    ]

  ++[[       ]]

(66, 77)
          ( 11 )
(12, 21)
          ( 3 )
(15, 27)
          ( 3 )
(6, 18)
          ( 6 )
(30, 70)
          ( 10 )
(25, 45)
          ( 5 )
(88, 33)
          ( 11 )
(20, 45)
          ( 5 )
(6, 3)
          ( 3 )
        +[    ]

(8, 28)
          ( 4 )
(2, 12)
          ( 2 )
(12, 20)
          ( 4 )
(30, 5)
          ( 5 )
(10, 60)
          ( 10 )
(64, 56)
          ( 8 )
(28, 35)
          ( 7 )
(20, 35)
          ( 5 )
(24, 15)
          ( 3 )
        +[    ]

(32, 72)
          ( 8 )
(42, 35)
          ( 7 )
(60, 50)
          ( 10 )
(56, 49)
          ( 7 )
(4, 16)
          ( 4 )
(21, 27)
          ( 3 )
(28, 21)
          ( 7 )
(12, 30)
          ( 6 )
(54, 63)
          ( 9 )
        +[    ]

(4, 12)
          ( 4 )
(36, 30)
          ( 6 )
(12, 28)
          ( 4 )
(8, 36)
          ( 4 )
(42, 7)
          ( 7 )
(56, 64)
          ( 8 )
(5, 15)
          ( 5 )
(30, 42)
          ( 6 )
(18, 48)
          ( 6 )
        +[    ]

(28, 7)
          ( 7 )
(27, 63)
          ( 9 )
(66, 11)
          ( 11 )
(50, 60)
          ( 10 )
(99, 55)
          ( 11 )
(20, 70)
          ( 10 )
(4, 4)
          ( 4 )
(40, 10)
          ( 10 )
(30, 5)
          ( 5 )
        +[    ]

  ++[[       ]]