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