C11111211113313112113313331333132313331322113121111331311331333133311213131   >>    C1111121111331311211331333133313231333132211312111133131133133313331121313   <<    C11111211113313112113313331333132313331322113121111331311331333133311213133   >>      C11111211113313112113313331333132313331322113121111331311331333133311213132   >>