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