C13223313311212111133133313331333133313231323133211331333132211311331   >>    C1322331331121211113313331333133313331323132313321133133313221131133   <<    C13223313311212111133133313331333133313231323133211331333132211311333   >>      C13223313311212111133133313331333133313231323133211331333132211311332   >>