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

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

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

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

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