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

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

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

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

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