A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv B1.........................................rstuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv A1....................abcdefghijklmnop...........................efghijklmnopq A2............................ghijklmn.......mnopqrstuv A3.......................cdefghijklmnop..........................klmnopqrstuvw klmnop...................qrst...abcd..............jklm.........stuv