C11111211113313112113313331333133313331333131211111333133313331333112333131   >>    C1111121111331311211331333133313331333133313121111133313331333133311233313   <<    C11111211113313112113313331333133313331333131211111333133313331333112333133   >>      C11111211113313112113313331333133313331333131211111333133313331333112333132   >>