fruit        Apple  Orange   Banana   Pear  Strawberry  Blueberry
Apple           0       1       3       2        3          3
Orange          1       0       2       3        2          2
Banana          3       2       0       1        2          2
Pear            2       3       1       0        3          3
Strawberry      3       2       2       3        0          2
Blueberry       3       2       2       3        2          0