C3123223313331322121111331333133313231333121111331333231322331312321   >>    C312322331333132212111133133313331323133312111133133323132233131232   <<    C3123223313331322121111331333133313231333121111331333231322331312323   >>      C3123223313331322121111331333133313231333121111331333231322331312322   >>