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