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