C111113331333132322331333133313331331121111121133131232322132313233311   >>    C11111333133313232233133313331333133112111112113313123232213231323331   <<    C111113331333132322331333133313331331121111121133131232322132313233313   >>      C111113331333132322331333133313331331121111121133131232322132313233312   >>