C1111233131211111211113313331333133313331333132213331333133313331311112131   >>    C111123313121111121111331333133313331333133313221333133313331333131111213   <<    C1111233131211111211113313331333133313331333132213331333133313331311112133   >>      C1111233131211111211113313331333133313331333132213331333133313331311112132   >>