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