C11112331333132311331333133313331333132313233313331321123123331   >>    C1111233133313231133133313331333133313231323331333132112312333   <<    C11112331333132311331333133313331333132313233313331321123123333   >>      C11112331333132311331333133313331333132313233313331321123123332   >>