wggcd vggc uggcd4 tggcd sggc

7pfc 6pfcd4 5pfcd 4pfc 3pfcd4

izecd4 hzecd gzec fzecd4 ezecd

t8dcd s8dc r8dcd4 q8dcd p8dc

4hdc 3hdcd4 2hdcd 1hdc 0hdcd4