C111113331333132322331333133313331333133311331333133313211232311331   >>    C11111333133313232233133313331333133313331133133313331321123231133   <<    C111113331333132322331333133313331333133311331333133313211232311333   >>      C111113331333132322331333133313331333133311331333133313211232311332   >>