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