YOU ARE LOOKING AFTER SANTAS REINDEER YOU HAVE TO BRING FOUR

YOU ARE LOOKING AFTER SANTA\'S REINDEER! YOU HAVE TO BRING FOUR REINDEER FROM THEIR OLD STABLE TO A NEW STABLE. AT ANY GIVEN TIME, YOU CAN MOVE ONLY TWO REINDEER BY RIDING ONE AND TAKING THE OTHER BYTHE LEAD. SINCE THEY ARE ALL OF DIFFERENT AGE, SIZE AND BREED, THEY MOVE AT VASTLY DIFFERENT SPEEDS. THE FIRST REINDEER CAN BRIDGE THE DISTANCE IN ONE HOUR, THE SECOND IN TWO HOURS, THE THIRD IN FOUR A

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