C3123223313331322121111331333133313331331121123121111331311313231   >>    C312322331333132212111133133313331333133112112312111133131131323   <<    C3123223313331322121111331333133313331331121123121111331311313233   >>      C3123223313331322121111331333133313331331121123121111331311313232   >>