C11112331312111112111133132313331333133313233313331311331313211321321   >>    C1111233131211111211113313231333133313331323331333131133131321132132   <<    C11112331312111112111133132313331333133313233313331311331313211321323   >>      C11112331312111112111133132313331333133313233313331311331313211321322   >>