C1111233131211111211113313331333133313231323331333133313223313332313113121   >>    C111123313121111121111331333133313331323132333133313331322331333231311312   <<    C1111233131211111211113313331333133313231323331333133313223313332313113123   >>      C1111233131211111211113313331333133313231323331333133313223313332313113122   >>