C11111211113313112113313331333133313331333132313311211113313331333132332312131   >>    C1111121111331311211331333133313331333133313231331121111331333133313233231213   <<    C11111211113313112113313331333133313331333132313311211113313331333132332312133   >>      C11111211113313112113313331333133313331333132313311211113313331333132332312132   >>