receives 0 0 instead of “hello”

Question

I receive the following:

09:27:10.618 -> 0 0 
09:27:12.589 -> 0 0 
09:27:14.616 -> 0 0 
09:27:16.622 -> 0 0 
09:27:18.576 -> 0 0 
09:27:20.577 -> 0 0 
09:27:22.583 -> 0 0 
09:27:24.606 -> 0 0 
09:27:26.571 -> 0 0 
09:27:28.612 -> 0 0 
09:27:30.585 -> 0 0 
09:27:32.582 -> 0 0 
09:27:34.564 -> 0 0 
09:27:36.563 -> 0 0 
09:27:38.587 -> 0 0 

When I use the following codes: For sending:

#include <SPI.h>
#include <SoftwareSerial.h>
SoftwareSerial Serial1(0, 1);
char mystr[6] = "Hello"; //String data

void setup() {
  // Begin the Serial at 9600 Baud
  Serial1.begin(9600);
}

void loop() {
  Serial1.write(mystr,6); //Write the serial data
  delay(1000);
}

For receiving:

    char mystr[10]; //Initialized variable to store recieved data

void setup() {
  // Begin the Serial at 9600 Baud
  Serial.begin(9600);
}

void loop() {
  Serial.readBytes(mystr,6); //Read the serial data and store in var
  Serial.println(mystr); //Print data on Serial Monitor
  delay(1000);
}

Why don't I get my hello string? NOTE: When I changed to Serial1 for the receiver code I now receive nothing. Not sure why it doesn't work.