read var_f in from change file: 1001110001010011100010111001000010000101000001010110011000000010
read var_f in from range file : 1010110001010011100010111001000010000101000001010110011000000010
var_f value in change hash    : 1001110001010011100010111001000010000101000001010110011000000010
var_f value in range hash     : 1010110001010011100010111001000010000101000001010110011000000010