***** a7,2 *****

28 cosets
3 double cosets
Sizes:
0: ()
      [1]	1
1: (2)
      [12]	q + 2q^2 + 2q^3 + 2q^4 + 2q^5 +
		2q^6 + q^7
2: (2312)
      [15]	q^4 + q^5 + 2q^6 + 2q^7 + 3q^8 +
		2q^9 + 2q^10 + q^11 + q^12

Neighbours of a point in 0:
1:  [12]	q + 2q^2 + 2q^3 + 2q^4 + 2q^5 +
		2q^6 + q^7

Neighbours of a point in 1:
0:  [1]		1
1:  [6]		-1 + q + 2q^2 + q^3 + q^4 +
		q^5 + q^6
2:  [5]		q^3 + q^4 + q^5 + q^6 + q^7

Neighbours of a point in 2:
1:  [4]		1 + 2q + q^2
2:  [8]		-1 - q + q^2 + 2q^3 + 2q^4 +
		2q^5 + 2q^6 + q^7