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