(36, 81)
          ( 9 )

(8, 20)
          (    )

(72, 16)
          (    )

(30, 20)
          (    )

(40, 64)
          (    )

(42, 54)
          (    )

(2, 18)
          (    )

(32, 20)
          (    )

(11, 44)
          (    )

        +[    ]

(60, 50)
          (    )

(11, 77)
          (    )

(6, 12)
          (    )

(24, 4)
          (    )

(10, 70)
          (    )

(66, 55)
          (    )

(42, 35)
          (    )

(20, 45)
          (    )

(36, 63)
          (    )

        +[    ]

(24, 8)
          (    )

(30, 48)
          (    )

(12, 32)
          (    )

(48, 56)
          (    )

(64, 40)
          (    )

(64, 40)
          (    )

(15, 10)
          (    )

(66, 55)
          (    )

(14, 4)
          (    )

        +[    ]

(45, 20)
          (    )

(80, 90)
          (    )

(16, 6)
          (    )

(63, 72)
          (    )

(33, 44)
          (    )

(20, 25)
          (    )

(70, 40)
          (    )

(45, 40)
          (    )

(12, 4)
          (    )

        +[    ]

(81, 9)
          (    )

(63, 28)
          (    )

(15, 9)
          (    )

(10, 40)
          (    )

(8, 36)
          (    )

(36, 9)
          (    )

(42, 49)
          (    )

(15, 9)
          (    )

(15, 25)
          (    )

        +[    ]

  ++[[       ]]

(36, 81)
          ( 9 )
(8, 20)
          ( 4 )
(72, 16)
          ( 8 )
(30, 20)
          ( 10 )
(40, 64)
          ( 8 )
(42, 54)
          ( 6 )
(2, 18)
          ( 2 )
(32, 20)
          ( 4 )
(11, 44)
          ( 11 )
        +[    ]

(60, 50)
          ( 10 )
(11, 77)
          ( 11 )
(6, 12)
          ( 6 )
(24, 4)
          ( 4 )
(10, 70)
          ( 10 )
(66, 55)
          ( 11 )
(42, 35)
          ( 7 )
(20, 45)
          ( 5 )
(36, 63)
          ( 9 )
        +[    ]

(24, 8)
          ( 8 )
(30, 48)
          ( 6 )
(12, 32)
          ( 4 )
(48, 56)
          ( 8 )
(64, 40)
          ( 8 )
(64, 40)
          ( 8 )
(15, 10)
          ( 5 )
(66, 55)
          ( 11 )
(14, 4)
          ( 2 )
        +[    ]

(45, 20)
          ( 5 )
(80, 90)
          ( 10 )
(16, 6)
          ( 2 )
(63, 72)
          ( 9 )
(33, 44)
          ( 11 )
(20, 25)
          ( 5 )
(70, 40)
          ( 10 )
(45, 40)
          ( 5 )
(12, 4)
          ( 4 )
        +[    ]

(81, 9)
          ( 9 )
(63, 28)
          ( 7 )
(15, 9)
          ( 3 )
(10, 40)
          ( 10 )
(8, 36)
          ( 4 )
(36, 9)
          ( 9 )
(42, 49)
          ( 7 )
(15, 9)
          ( 3 )
(15, 25)
          ( 5 )
        +[    ]

  ++[[       ]]