C1111233133313231133133313231333133313113313113313331333132212313231   >>    C111123313331323113313331323133313331311331311331333133313221231323   <<    C1111233133313231133133313231333133313113313113313331333132212313233   >>      C1111233133313231133133313231333133313113313113313331333132212313232   >>