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