C22212323232133313113313331333132313231333132212132311131123331   >>    C2221232323213331311331333133313231323133313221213231113112333   <<    C22212323232133313113313331333132313231333132212132311131123333   >>      C22212323232133313113313331333132313231333132212132311131123332   >>