C1111233133313231133133313331333132313331323113121111331323232133123231   >>    C111123313331323113313331333133313231333132311312111133132323213312323   <<    C1111233133313231133133313331333132313331323113121111331323232133123233   >>      C1111233133313231133133313331333132313331323113121111331323232133123232   >>