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

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

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

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

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