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