C11112331333132311331333133313331333132313233313331333133322333131211   >>    C1111233133313231133133313331333133313231323331333133313332233313121   <<    C11112331333132311331333133313331333132313233313331333133322333131213   >>      C11112331333132311331333133313331333132313233313331333133322333131212   >>