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