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

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

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

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

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