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