C111123313121111121111331333133313331323221211113313221333132313221221   >>    C11112331312111112111133133313331333132322121111331322133313231322122   <<    C111123313121111121111331333133313331323221211113313221333132313221223   >>      C111123313121111121111331333133313331323221211113313221333132313221222   >>