13 3 r ............. ............. ............. ............. ....aaaaaaaaa ....bbbbbbbbb ....ccccccccc ....ddddddddd ....eeeeeeeee ....fffffffff ....ggggggggg ....hhhhhhhhh ....iiiiiiiii c ............. ............. ............. ............. ....abcdefghi ....abcdefghi ....abcdefghi ....abcdefghi ....abcdefghi ....abcdefghi ....abcdefghi ....abcdefghi ....abcdefghi a qq.eeee.ddddd r..fff.cccccc ...gg.bbbbbbb op.h......... op..eeeqqq.dd op..beqqq..dd o.l.beqmi...f .ml.ppmmi...f nml.ppiiiiiff nml.p...iccff nml.p...icgol nml.nn..gggol nml.nn.gggooo