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

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

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

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

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