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

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

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

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

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