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