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