C11112331333132311331333133313331323133313231131211113313112133312221   >>    C1111233133313231133133313331333132313331323113121111331311213331222   <<    C11112331333132311331333133313331323133313231131211113313112133312223   >>      C11112331333132311331333133313331323133313231131211113313112133312222   >>