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

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

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

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

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