kore no koto datta no
kore no koto datta no ?
k o r e WORD_BOUNDARY n o WORD_BOUNDARY k o t o WORD_BOUNDARY d a t t a WORD_BOUNDARY n o WORD_BOUNDARY
k o r e WORD_BOUNDARY n o WORD_BOUNDARY k o t o WORD_BOUNDARY d a t t a WORD_BOUNDARY n o WORD_BOUNDARY