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

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

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

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

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