C111112111133131121133133313331333132311211312111111331311331322332233133321121   >>    C11111211113313112113313331333133313231121131211111133131133132233223313332112   <<    C111112111133131121133133313331333132311211312111111331311331322332233133321123   >>      C111112111133131121133133313331333132311211312111111331311331322332233133321122   >>