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