C1111133313331323223313331333133313331333131211113313331211111211   >>    C111113331333132322331333133313331333133313121111331333121111121   <<    C1111133313331323223313331333133313331333131211113313331211111213   >>      C1111133313331323223313331333133313331333131211113313331211111212   >>