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