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

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

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

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

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