C13223313311212111133133313331211113313231123313331333131333112111121   >>    C1322331331121211113313331333121111331323112331333133313133311211112   <<    C13223313311212111133133313331211113313231123313331333131333112111123   >>      C13223313311212111133133313331211113313231123313331333131333112111122   >>