C11112331333132311331333132313331333133313231333112113313333131   >>    C1111233133313231133133313231333133313331323133311211331333313   <<    C11112331333132311331333132313331333133313231333112113313333133   >>      C11112331333132311331333132313331333133313231333112113313333132   >>