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