C22212323232133313113313331333132313231333132311233123311131331   >>    C2221232323213331311331333133313231323133313231123312331113133   <<    C22212323232133313113313331333132313231333132311233123311131333   >>      C22212323232133313113313331333132313231333132311233123311131332   >>