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

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

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

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

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