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