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

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

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

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

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