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