Original: It was introduced and used primarily during the Kamakura ( 1192 â '' 1333 ) , Nanbokucho ( 1334 â '' 1392 ) and early Muromachi ( 1392 â '' 1573 ) periods .
Simplified: It was introduced and used primarily during the Kamakura ( 1192 - 1333 ) , Nanbokucho ( 1334 - 1392 ) and early Muromachi ( 1392 â '' 1573 ) periods .