C11112331333132311331333131333133313231333132212113313231322331   >>    C1111233133313231133133313133313331323133313221211331323132233   <<    C11112331333132311331333131333133313231333132212113313231322333   >>      C11112331333132311331333131333133313231333132212113313231322332   >>