C132233133112121111331333133313331323331333133313231333121111113212321   >>    C13223313311212111133133313331333132333133313331323133312111111321232   <<    C132233133112121111331333133313331323331333133313231333121111113212323   >>      C132233133112121111331333133313331323331333133313231333121111113212322   >>