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