Degrees for 6 users:
 5: Degree 1
 440: Degree 1
 8961: Degree 1
 59181: Degree 1
 2258594758: Degree 3
 3958578120: Degree 2
Histogram for 6 users:
 Degree 1: 4
 Degree 2: 1
 Degree 3: 1