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