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