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