Size_To_Tx_Part_Group_Lookup[BLOCK_SIZES] =
{
      0, 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 7, 7,
      7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
}