C132233133112121111331333133313331323132313221131211113313113312121   >>    C13223313311212111133133313331333132313231322113121111331311331212   <<    C132233133112121111331333133313331323132313221131211113313113312123   >>      C132233133112121111331333133313331323132313221131211113313113312122   >>