C222133313331333131123313231333133313331333132233112113313232332211   >>    C22213331333133313112331323133313331333133313223311211331323233221   <<    C222133313331333131123313231333133313331333132233112113313232332213   >>      C222133313331333131123313231333133313331333132233112113313232332212   >>