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

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

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

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

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