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

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

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

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

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