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

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

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

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

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