C11112331333132311331333133313331333132313121111331333131231333131   >>    C1111233133313231133133313331333133313231312111133133313123133313   <<    C11112331333132311331333133313331333132313121111331333131231333133   >>      C11112331333132311331333133313331333132313121111331333131231333132   >>