C1111233133313231133133313331333132313231333121111331311331323131   >>    C111123313331323113313331333133313231323133312111133131133132313   <<    C1111233133313231133133313331333132313231333121111331311331323133   >>      C1111233133313231133133313331333132313231333121111331311331323132   >>