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