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