C111112111133131121133133313331333133313123221211113313331322123122321   >>    C11111211113313112113313331333133313331312322121111331333132212312232   <<    C111112111133131121133133313331333133313123221211113313331322123122323   >>      C111112111133131121133133313331333133313123221211113313331322123122322   >>