C3132121111133313233121111331333133313331333133313331333131123313331121231   >>    C313212111113331323312111133133313331333133313331333133313112331333112123   <<    C3132121111133313233121111331333133313331333133313331333131123313331121233   >>      C3132121111133313233121111331333133313331333133313331333131123313331121232   >>