C11112331333132311331333133313331312111113311212111133132322112333131   >>    C1111233133313231133133313331333131211111331121211113313232211233313   <<    C11112331333132311331333133313331312111113311212111133132322112333133   >>      C11112331333132311331333133313331312111113311212111133132322112333132   >>