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

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

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

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

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