C11112331333132311331333133313331333132313311331333133313331331121233211321   >>    C1111233133313231133133313331333133313231331133133313331333133112123321132   <<    C11112331333132311331333133313331333132313311331333133313331331121233211323   >>      C11112331333132311331333133313331333132313311331333133313331331121233211322   >>