C13223313311212111133133313331211113313231123313331322331311331311331312311221   >>    C1322331331121211113313331333121111331323112331333132233131133131133131231122   <<    C13223313311212111133133313331211113313231123313331322331311331311331312311223   >>      C13223313311212111133133313331211113313231123313331322331311331311331312311222   >>