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