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

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

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

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

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