C11112331312111112111133133313331333132313331122112323132232321   >>    C1111233131211111211113313331333133313231333112211232313223232   <<    C11112331312111112111133133313331333132313331122112323132232323   >>      C11112331312111112111133133313331333132313331122112323132232322   >>