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