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