***** b3,3 ***** 8 cosets 4 double cosets Sizes: 0: () [1] 1 1: (3) [3] q + q^2 + q^3 2: (323) [3] q^3 + q^4 + q^5 3: (323123) [1] q^6 Neighbours of a point in 0: 1: [3] q + q^2 + q^3 Neighbours of a point in 1: 0: [1] 1 1: [0] -1 + q 2: [2] q^2 + q^3 Neighbours of a point in 2: 1: [2] 1 + q 2: [0] -1 + q^2 3: [1] q^3 Neighbours of a point in 3: 2: [3] 1 + q + q^2 3: [0] -1 + q^3