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