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

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

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

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

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