C1111233133313231133133313331333132313331323113121111331322233311   >>    C111123313331323113313331333133313231333132311312111133132223331   <<    C1111233133313231133133313331333132313331323113121111331322233313   >>      C1111233133313231133133313331333132313331323113121111331322233312   >>