impl dv hexbin baselength lookuplength hexnumbertable baselength lookuphexalphabet lookuplength baselength hexnumbertable i-- hexnumbertable i- i-- hexnumbertable i- i-- hexnumbertable i- lookuphexalphabet lookuphexalphabet encode binarydata binarydata lengthdata binarydata.length lengthencode lengthdata encodeddata lengthencode temp lengthdata temp binarydata temp temp encodeddata lookuphexalphabet temp encodeddata lookuphexalphabet temp encodeddata decode encoded encoded lengthdata encoded.length lengthdata binarydata encoded.tochararray lengthdecode lengthdata decodeddata lengthdecode temp1 temp2 tempchar lengthdecode tempchar binarydata temp1 tempchar baselength hexnumbertable tempchar temp1 tempchar binarydata temp2 tempchar baselength hexnumbertable tempchar temp2 decodeddata temp1 temp2 decodeddata