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

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

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

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

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