C11111211113313112113313331333133313331333132313331333131212112131   >>    C1111121111331311211331333133313331333133313231333133313121211213   <<    C11111211113313112113313331333133313331333132313331333131212112133   >>      C11111211113313112113313331333133313331333132313331333131212112132   >>