T1 T2 T3 A B C D E X Y J K L A11 B11 C11 D11 E11 A11 Y11 J11 K11 Y11 A12 B11 C12 D12 E12 A11 Y12 J12 K12 Y12 A13 B12 C13 D13 E13 A11 Y11 J13 K13 Y13 A14 B12 C14 D14 E14 A12 Y12 J14 K14 Y14 A15 B12 C15 D15 E15 A13 Y11 J15 K15 Y15 All the above relations hold good Ie., T2.X contains values present in T1.A T3.L contains values present in T2.Y