C1111233133313231133133313331333132313331323113121111331321123231121   >>    C111123313331323113313331333133313231333132311312111133132112323112   <<    C1111233133313231133133313331333132313331323113121111331321123231123   >>      C1111233133313231133133313331333132313331323113121111331321123231122   >>