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