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

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

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

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

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