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

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

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

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

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