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