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