C111113331333132322331333133313331331121111121133133313113213311   >>    C11111333133313232233133313331333133112111112113313331311321331   <<    C111113331333132322331333133313331331121111121133133313113213313   >>      C111113331333132322331333133313331331121111121133133313113213312   >>