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

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

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

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

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