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