C13223313311212111133133313331312111133133313223211111333132233133313113312311   >>    C1322331331121211113313331333131211113313331322321111133313223313331311331231   <<    C13223313311212111133133313331312111133133313223211111333132233133313113312313   >>      C13223313311212111133133313331312111133133313223211111333132233133313113312312   >>