C111123313121111121111331333133313331333133313331122112111133132313123221   >>    C11112331312111112111133133313331333133313331333112211211113313231312322   <<    C111123313121111121111331333133313331333133313331122112111133132313123223   >>      C111123313121111121111331333133313331333133313331122112111133132313123222   >>