C13223313311212111133133313331211113313231123313331333131112311   >>    C1322331331121211113313331333121111331323112331333133313111231   <<    C13223313311212111133133313331211113313231123313331333131112313   >>      C13223313311212111133133313331211113313231123313331333131112312   >>