***** b3,2 ***** 12 cosets 5 double cosets Sizes: 0: () [1] 1 1: (2) [4] q + 2q^2 + q^3 2: (232) [2] q^3 + q^4 3: (2312) [4] q^4 + 2q^5 + q^6 4: (2312312) [1] q^7 Neighbours of a point in 0: 1: [4] q + 2q^2 + q^3 Neighbours of a point in 1: 0: [1] 1 1: [1] -1 + q + q^2 2: [1] q^2 3: [1] q^3 Neighbours of a point in 2: 1: [2] 1 + q 2: [0] -1 + q^2 3: [2] q^2 + q^3 Neighbours of a point in 3: 1: [1] 1 2: [1] q 3: [1] -1 + 2q^2 4: [1] q^3 Neighbours of a point in 4: 3: [4] 1 + 2q + q^2 4: [0] -1 - q + q^2 + q^3