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

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

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

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

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