C111123313121111121111331323133313331333132322121111133311233121   >>    C11112331312111112111133132313331333133313232212111113331123312   <<    C111123313121111121111331323133313331333132322121111133311233123   >>      C111123313121111121111331323133313331333132322121111133311233122   >>