C1111233131211111211113313231333133313331323331333131132132333131   >>    C111123313121111121111331323133313331333132333133313113213233313   <<    C1111233131211111211113313231333133313331323331333131132132333133   >>      C1111233131211111211113313231333133313331323331333131132132333132   >>