C11112331333132311331333133313331323133313231131211113313113313331121331   >>    C1111233133313231133133313331333132313331323113121111331311331333112133   <<    C11112331333132311331333133313331323133313231131211113313113313331121333   >>      C11112331333132311331333133313331323133313231131211113313113313331121332   >>