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

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

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

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

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