C11112331333132311331333133313331323133313231131211113313331322311232131   >>    C1111233133313231133133313331333132313331323113121111331333132231123213   <<    C11112331333132311331333133313331323133313231131211113313331322311232133   >>      C11112331333132311331333133313331323133313231131211113313331322311232132   >>