烤串 Skewers
标准数独基础上,盘面内有一些烤串,这些烤串的摆放方向可能不同,但都包含着相同顺序的四个数字。
Classie rules applied. Additionally, straight skewers are placed in the grid, their directions may be different, but they contain a same 4-digit number in order.
赛事频率 极低
部分省市相关训练资料,及早期比赛赛题中有所出现。