C1111233133313231133133313331333132313331323113121111331311233112323221   >>    C111123313331323113313331333133313231333132311312111133131123311232322   <<    C1111233133313231133133313331333132313331323113121111331311233112323223   >>      C1111233133313231133133313331333132313331323113121111331311233112323222   >>