Karel 2.4.2 - quantizeBits

void quantizeBits(){ // *** 0 bugs ***  
    
    repeat(10){ //repeat 10 times for 10 lines, checking every time      
        if(!onBeeper()){if(frontIsClear()){moveForward();}} //skip an emtpy line                   
        else{ //if on Beeper, do initial scan movement and choice            
            qB_move();
            qB_choice();
        }       
    }    
}

void qB_move(){
    turnLeft(); repeat(5){if(frontIsClear()){moveForward();}}
}

void qB_choice(){
    //choose between line is >5 or <6
    if(!onBeeper()){qB_smaller();}
    else{qB_greater();} 
}

void qB_greater(){ //if line is >5
    repeat(4){ //go remaining tiles and place Beepers
        moveForward();
        if(!onBeeper()){dropBeeper();}
    }  
    //return to bottom and step into next line
    turnAround(); while(frontIsClear()){moveForward();}
    turnLeft(); if(frontIsClear()){moveForward();}
}

void qB_smaller(){ //if line is <6
    turnAround();
    repeat(5){ //return to bottom and pick up all Beepers
        if(frontIsClear()){moveForward();}
        if(onBeeper()){pickBeeper();}
    }
    //step into next line
    turnLeft(); if(frontIsClear()){moveForward();}
}