C11112331333132311331333133313331333132313311213231333131231131   >>    C1111233133313231133133313331333133313231331121323133313123113   <<    C11112331333132311331333133313331333132313311213231333131231133   >>      C11112331333132311331333133313331333132313311213231333131231132   >>