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