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