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