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

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

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

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

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