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

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

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

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

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