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