C111113331333132322331333133313331333132313331333133311211321123232311   >>    C11111333133313232233133313331333133313231333133313331121132112323231   <<    C111113331333132322331333133313331333132313331333133311211321123232313   >>      C111113331333132322331333133313331333132313331333133311211321123232312   >>