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

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

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

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

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