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