C111113331333132322331333133313331333133313121111331331121111121111123231323121   >>    C11111333133313232233133313331333133313331312111133133112111112111112323132312   <<    C111113331333132322331333133313331333133313121111331331121111121111123231323123   >>      C111113331333132322331333133313331333133313121111331331121111121111123231323122   >>