规则Rules：
标准数独基础上，两个涂色区域内，相同位置上的数字奇偶性一致。
Classic rules applied. Additionally, in the 2 colored zones, same position own same parity.
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa
