C1111233131211111211113313331333133313331333133313331333121111331322221121131   >>    C111123313121111121111331333133313331333133313331333133312111133132222112113   <<    C1111233131211111211113313331333133313331333133313331333121111331322221121133   >>      C1111233131211111211113313331333133313331333133313331333121111331322221121132   >>