zp2ob 0p2obz 1p2o 2p2ob 3p2obz

og3obz pg3o qg3ob rg3obz sg3o

d73o e73ob f73obz g73o h73ob

2x4ob 3x4obz 4x4o 5x4ob 6x4obz

ro5obz so5o to5ob uo5obz vo5o