C1111233131211111211113313331333133313331333133313331333121111331322132111   >>    C111123313121111121111331333133313331333133313331333133312111133132213211   <<    C1111233131211111211113313331333133313331333133313331333121111331322132113   >>      C1111233131211111211113313331333133313331333133313331333121111331322132112   >>