C1111233133313231133133313331323133313331333132233133313231322321   >>    C111123313331323113313331333132313331333133313223313331323132232   <<    C1111233133313231133133313331323133313331333132233133313231322323   >>      C1111233133313231133133313331323133313331333132233133313231322322   >>