C1111233131211111211113313331333133313331312331333132233132333131132311   >>    C111123313121111121111331333133313331333131233133313223313233313113231   <<    C1111233131211111211113313331333133313331312331333132233132333131132313   >>      C1111233131211111211113313331333133313331312331333132233132333131132312   >>