(0 20 1)(2 21 19 15 4)(3 7 5)(6 11 8)(9 17 14 12 10)(13 18 16)
ALLOWS (11/8)-SEQUENCE
1: (1 16 20)
(0 20 13 18 16)(1)(2 21 19 15 4)(3 7 5)(6 11 8)(9 17 14 12 10)
2: (15 21 19)
(0 20 13 18 16)(1)(2 21 4)(3 7 5)(6 11 8)(9 17 14 12 10)(15)(19)
3: (0 20 13)
(0 18 16)(1)(2 21 4)(3 7 5)(6 11 8)(9 17 14 12 10)(13)(15)(19)(20)
4: (12 17 14)
(0 18 16)(1)(2 21 4)(3 7 5)(6 11 8)(9 17 10)(12)(13)(14)(15)(19)(20)