C111123313331323113313331333133313231333132311312111133131123313132313221   >>    C11112331333132311331333133313331323133313231131211113313112331313231322   <<    C111123313331323113313331333133313231333132311312111133131123313132313223   >>      C111123313331323113313331333133313231333132311312111133131123313132313222   >>