RV->PVMG->IV points to BIMAP struct:
 2f46c20:[0000000002F46C50] byInt----+
 2f46c28:[0000000002F46E60] byStr ---|--+
 2f46c30:[size____used____]          |  |
 2f46c38:[factor__________]          |  |
 2f46c40:[________________]????????  |  |
 2f46c48:[________________]????????  |  |
 2f46c50:[addr____________]Pair[00]<-+  | Corruption
 2f46c58:[*name___________]             | Occurs
 2f46c60:[addr____________]Pair[01]     | in these
 2f46c68:[*name___________]             | four quads
 2f46c70:[addr____________]Pair[02]     |
 2f46c78:[*name___________]             |
 2f46c80:[________________]Pair[03]     |
 2f46c88:[________________]             |
 2f46c90:[________________]Pair[04]     |
 2f46c98:[________________]             |
 2f46ca0:[________________]Pair[05]     |
 2f46ca8:[________________]             |
 2f46cb0:[________________]Pair[06]     |
 2f46cb8:[________________]             |
 2f46cc0:[________________]Pair[07]     |
 2f46cc8:[________________]             |
 2f46cd0:[________________]Pair[08]     |
 2f46cd8:[________________]             |
 2f46ce0:[________________]Pair[09]     |
 2f46ce8:[________________]             |
 2f46cf0:[________________]Pair[10]     |
 2f46cf8:[________________]             |
 2f46d00:[________________]Pair[11]     |
 2f46d08:[________________]             |
 2f46d10:[________________]Pair[12]     |
 2f46d18:[________________]             |
 2f46d20:[________________]Pair[13]     |
 2f46d28:[________________]             |
 2f46d30:[________________]Pair[14]     |
 2f46d38:[________________]             |
 2f46d40:[________________]Pair[15]     |
 2f46d48:[________________]             |
 2f46d50:[________________]Pair[16]     |
 2f46d58:[________________]             |
 2f46d60:[________________]Pair[17]     |
 2f46d68:[________________]             |
 2f46d70:[________________]Pair[18]     |
 2f46d78:[________________]             |
 2f46d80:[________________]Pair[19]     |
 2f46d88:[________________]             |
 2f46d90:[________________]Pair[20]     |
 2f46d98:[________________]             |
 2f46da0:[________________]Pair[22]     |
 2f46da8:[________________]             |
 2f46db0:[________________]Pair[22]     |
 2f46db8:[________________]             |
 2f46dc0:[________________]Pair[23]     |
 2f46dc8:[________________]             |
 2f46dd0:[________________]Pair[24]     |
 2f46dd8:[________________]             |
 2f46de0:[________________]Pair[25]     |
 2f46de8:[________________]             |
 2f46df0:[________________]Pair[26]     |
 2f46df8:[________________]             |
 2f46e00:[________________]Pair[27]     |
 2f46e08:[________________]             |
 2f46e10:[________________]Pair[28]     |
 2f46e18:[________________]             |
 2f46e20:[________________]Pair[29]     |
 2f46e28:[________________]             |
 2f46e30:[________________]Pair[30]     |
 2f46e38:[________________]             |
 2f46e40:[________________]Pair[31]     |
 2f46e48:[________________]             |
 2f46e50:[________________]????????     |
 2f46e58:[________________]????????     |
 2f46e60:[byStr[0]byStr[1]]           <-+
 2f46e68:[byStr[2]byStr[3]]
 2f46e70:[byStr[4]byStr[5]]
 2f46e78:[byStr[6]byStr[7]]
 2f46e80:[byStr[8]byStr[9]]
 2f46e88:[byStr[0]byStr[1]]
 2f46e90:[byStr[2]byStr[3]]
 2f46e98:[byStr[4]byStr[5]]
 2f46ea0:[byStr[6]byStr[7]]
 2f46ea8:[byStr[8]byStr[9]]
 2f46eb0:[byStr[0]byStr[1]]
 2f46eb8:[byStr[2]byStr[3]]
 2f46ec0:[byStr[4]byStr[5]]
 2f46ec8:[byStr[6]byStr[7]]
 2f46ed0:[byStr[8]byStr[9]]
 2f46ed8:[byStr[0]byStr[1]]