(0 9 7 4 2)(1 19 17)(3 21 15 6 5)(8 14 10)(11 20 12)(13 18 16)
ALLOWS (11/8)-SEQUENCE
1: (0 1 2)
(0)(1 9 7 4 2 19 17)(3 21 15 6 5)(8 14 10)(11 20 12)(13 18 16)
2: (1 9 17)
(0)(1)(2 19 17 7 4)(3 21 15 6 5)(8 14 10)(9)(11 20 12)(13 18 16)
3: (6 21 15)
(0)(1)(2 19 17 7 4)(3 21 5)(6)(8 14 10)(9)(11 20 12)(13 18 16)(15)
4: (13 18 16)
(0)(1)(2 19 17 7 4)(3 21 5)(6)(8 14 10)(9)(11 20 12)(13)(15)(16)(18)