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