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