C13223313311212111133133313331333133313231323133212111133233232321   >>    C1322331331121211113313331333133313331323132313321211113323323232   <<    C13223313311212111133133313331333133313231323133212111133233232323   >>      C13223313311212111133133313331333133313231323133212111133233232322   >>