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