C22212323232133313113313331333132313231333132311233123311233131233131   >>    C2221232323213331311331333133313231323133313231123312331123313123313   <<    C22212323232133313113313331333132313231333132311233123311233131233133   >>      C22212323232133313113313331333132313231333132311233123311233131233132   >>