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