C1111121111331311211331333133313231333132211312111133133313113313231323213121   >>    C111112111133131121133133313331323133313221131211113313331311331323132321312   <<    C1111121111331311211331333133313231333132211312111133133313113313231323213123   >>      C1111121111331311211331333133313231333132211312111133133313113313231323213122   >>