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