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