C22212323232133313113313331333132313231333132311233123311112331331   >>    C2221232323213331311331333133313231323133313231123312331111233133   <<    C22212323232133313113313331333132313231333132311233123311112331333   >>      C22212323232133313113313331333132313231333132311233123311112331332   >>