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