C312312111111331312111133133313331322331333133313331322331323131121211   >>    C31231211111133131211113313331333132233133313331333132233132313112121   <<    C312312111111331312111133133313331322331333133313331322331323131121213   >>      C312312111111331312111133133313331322331333133313331322331323131121212   >>