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