C111113331333132322331333133313331323132313231211113313113313231333132323311   >>    C11111333133313232233133313331333132313231323121111331311331323133313232331   <<    C111113331333132322331333133313331323132313231211113313113313231333132323313   >>      C111113331333132322331333133313331323132313231211113313113313231333132323312   >>