mapfile = {
1879048192: 0,
1879048193: 0,
1879048194: 0,
1879048195: 0,
1879048196: 4,
1879048197: 3,
1879048198: 2,
1879048199: 17,
1879048200: 0,
1879048201: 1,
1879048202: 0,
1879048203: 0,
1879048204: 4,
# intentionally missing byte
1879048206:...