(0 19 17)(1 20 3)(2 16 14)(4 9 7)(5 13 12)(6 15 11)(8 18 10)
ALLOWS (11/8)-SEQUENCE
1: (4 5 13)
(0 19 17)(1 20 3)(2 16 14)(4 12 5 9 7)(6 15 11)(8 18 10)(13)
2: (5 9 12)
(0 19 17)(1 20 3)(2 16 14)(4 12 7)(5)(6 15 11)(8 18 10)(9)(13)
3: (6 15 11)
(0 19 17)(1 20 3)(2 16 14)(4 12 7)(5)(6)(8 18 10)(9)(11)(13)(15)
4: (8 18 10)
(0 19 17)(1 20 3)(2 16 14)(4 12 7)(5)(6)(8)(9)(10)(11)(13)(15)(18)