C1111233133313231133133313331333132313331323113121111331333132231221   >>    C111123313331323113313331333133313231333132311312111133133313223122   <<    C1111233133313231133133313331333132313331323113121111331333132231223   >>      C1111233133313231133133313331333132313331323113121111331333132231222   >>