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