C22121333132313311211113313331333132233131133133313331311331333131211113321211   >>    C2212133313231331121111331333133313223313113313331333131133133313121111332121   <<    C22121333132313311211113313331333132233131133133313331311331333131211113321213   >>      C22121333132313311211113313331333132233131133133313331311331333131211113321212   >>