C1111233131211111211113313331333133313231323331323132322331311233131   >>    C111123313121111121111331333133313331323132333132313232233131123313   <<    C1111233131211111211113313331333133313231323331323132322331311233133   >>      C1111233131211111211113313331333133313231323331323132322331311233132   >>