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

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

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

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

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