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

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

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

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

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