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

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

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

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

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