C11111211113313112113313331333133313133313233112111133132313331333132333131   >>    C1111121111331311211331333133313331313331323311211113313231333133313233313   <<    C11111211113313112113313331333133313133313233112111133132313331333132333133   >>      C11111211113313112113313331333133313133313233112111133132313331333132333132   >>