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