C132233133112121111331333133313331323331333133313231331123212321   >>    C13223313311212111133133313331333132333133313331323133112321232   <<    C132233133112121111331333133313331323331333133313231331123212323   >>      C132233133112121111331333133313331323331333133313231331123212322   >>