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