C11111211113313112113313331333133313331333132313331333133313232213132333131   >>    C1111121111331311211331333133313331333133313231333133313331323221313233313   <<    C11111211113313112113313331333133313331333132313331333133313232213132333133   >>      C11111211113313112113313331333133313331333132313331333133313232213132333132   >>