Zi Collection, Page Position: Upper. Radical: Two (èr). Kangxi strokes: 4. Page 87, Line 1. According to the Analytical Dictionary of Characters (Shuowen Jiezi), this is the Zhou script form of the character for the number four (sì). According to the Collected Rimes (Jiyun), the number four is referred to as sì in the Guandong region.