C222133313331333131123313231333133313331313113313331333112113312211   >>    C22213331333133313112331323133313331333131311331333133311211331221   <<    C222133313331333131123313231333133313331313113313331333112113312213   >>      C222133313331333131123313231333133313331313113313331333112113312212   >>