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

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

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

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

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