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