C11112331333132311331333133313331333132313311331333133313331331121313231   >>    C1111233133313231133133313331333133313231331133133313331333133112131323   <<    C11112331333132311331333133313331333132313311331333133313331331121313233   >>      C11112331333132311331333133313331333132313311331333133313331331121313232   >>