C11112331333132311331333133313331333132313233313331333132233132313222331   >>    C1111233133313231133133313331333133313231323331333133313223313231322233   <<    C11112331333132311331333133313331333132313233313331333132233132313222333   >>      C11112331333132311331333133313331333132313233313331333132233132313222332   >>