3 00 03 022 03 2 04 032 An A2 A        = 21 22 23 11 12 13 A A A A A A ( )               3 1 3 2 3 3 3 4 2 1 2 2 2 3 2 4 1 1 1 2 1 3 1 4 1 a a a a a a a a a a a a ( )               3 1 3 2 3 3 3 4 2 1 2 2 2 3 2 4 1 1 1 2 1 3 1 4 2 a a a a a a a a a a a a 11 12 21 22 A A A A   =    