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