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

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

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

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

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