C312312111112111113121333133313331333133313331333211232313233313331323331223321   >>    C31231211111211111312133313331333133313331333133321123231323331333132333122332   <<    C312312111112111113121333133313331333133313331333211232313233313331323331223323   >>      C312312111112111113121333133313331333133313331333211232313233313331323331223322   >>