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