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