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

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

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

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

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