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

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

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

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

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