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