C13223313311212111133133313331211113313231123313331333112113231323231   >>    C1322331331121211113313331333121111331323112331333133311211323132323   <<    C13223313311212111133133313331211113313231123313331333112113231323233   >>      C13223313311212111133133313331211113313231123313331333112113231323232   >>