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