C11112331333132311331333133313231333133313331313331333131121211   >>    C1111233133313231133133313331323133313331333131333133313112121   <<    C11112331333132311331333133313231333133313331313331333131121213   >>      C11112331333132311331333133313231333133313331313331333131121212   >>