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