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

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

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

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

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