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