C111113331333132322331333133313331331121111121133133313121111133313311231312311   >>    C11111333133313232233133313331333133112111112113313331312111113331331123131231   <<    C111113331333132322331333133313331331121111121133133313121111133313311231312313   >>      C111113331333132322331333133313331331121111121133133313121111133313311231312312   >>