C31231211111133131211113313331323133313331311233133313331311222123313221322331   >>    C3123121111113313121111331333132313331333131123313331333131122212331322132233   <<    C31231211111133131211113313331323133313331311233133313331311222123313221322333   >>      C31231211111133131211113313331323133313331311233133313331311222123313221322332   >>