C22212323232133313113313331333132313231333132311233123132322131211   >>    C2221232323213331311331333133313231323133313231123312313232213121   <<    C22212323232133313113313331333132313231333132311233123132322131213   >>      C22212323232133313113313331333132313231333132311233123132322131212   >>