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