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

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

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

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

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