***** b5,1 ***** 10 cosets 3 double cosets Sizes: 0: () [1] 1 1: (1) [8] q + q^2 + q^3 + q^4 + q^5 + q^6 + q^7 + q^8 2: (123454321) [1] q^9 Neighbours of a point in 0: 1: [8] q + q^2 + q^3 + q^4 + q^5 + q^6 + q^7 + q^8 Neighbours of a point in 1: 0: [1] 1 1: [6] -1 + q + q^2 + q^3 + q^4 + q^5 + q^6 + q^7 2: [1] q^8 Neighbours of a point in 2: 1: [8] 1 + q + q^2 + q^3 + q^4 + q^5 + q^6 + q^7 2: [0] -1 + q^8