C111123313331323113313331333133313331122112312111112111113332231   >>    C11112331333132311331333133313331333112211231211111211111333223   <<    C111123313331323113313331333133313331122112312111112111113332233   >>      C111123313331323113313331333133313331122112312111112111113332232   >>