C13223313311212111133133313331211113313231123313331322333122321   >>    C1322331331121211113313331333121111331323112331333132233312232   <<    C13223313311212111133133313331211113313231123313331322333122323   >>      C13223313311212111133133313331211113313231123313331322333122322   >>