C132233133112121111331333133313331333132313223331211111333132313231321   >>    C13223313311212111133133313331333133313231322333121111133313231323132   <<    C132233133112121111331333133313331333132313223331211111333132313231323   >>      C132233133112121111331333133313331333132313223331211111333132313231322   >>