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