C111123313331323113313331333133313331323133113313231333132331213231   >>    C11112331333132311331333133313331333132313311331323133313233121323   <<    C111123313331323113313331333133313331323133113313231333132331213233   >>      C111123313331323113313331333133313331323133113313231333132331213232   >>