C22212323232133313113313331333132313231333132311233123323232231   >>    C2221232323213331311331333133313231323133313231123312332323223   <<    C22212323232133313113313331333132313231333132311233123323232233   >>      C22212323232133313113313331333132313231333132311233123323232232   >>