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

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

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

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

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