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

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

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

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

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