C13223313311212111133133313331333133313231323133211331333133312331   >>    C1322331331121211113313331333133313331323132313321133133313331233   <<    C13223313311212111133133313331333133313231323133211331333133312333   >>      C13223313311212111133133313331333133313231323133211331333133312332   >>