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