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