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