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