C22213331333133313112331323133313331333133313211232313331333133321112322123211   >>    C2221333133313331311233132313331333133313331321123231333133313332111232212321   <<    C22213331333133313112331323133313331333133313211232313331333133321112322123213   >>      C22213331333133313112331323133313331333133313211232313331333133321112322123212   >>