C1111233131211111211113313331333133313331333133313331333133313233313221131   >>    C111123313121111121111331333133313331333133313331333133313331323331322113   <<    C1111233131211111211113313331333133313331333133313331333133313233313221133   >>      C1111233131211111211113313331333133313331333133313331333133313233313221132   >>