C13223313311212111133133313331211113313231123313331333112113231321   >>    C1322331331121211113313331333121111331323112331333133311211323132   <<    C13223313311212111133133313331211113313231123313331333112113231323   >>      C13223313311212111133133313331211113313231123313331333112113231322   >>