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