规则Rules：
标准数独基础上，两个涂色区域内，相同的位置数字之差为1。
Classic rules applied. Additionally, in 2 colored zones, same position own a pair of consecutive numbers.
◆例题 Example
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa
设计主题Theme：
汉字-双（The Chinese Character 双, means double and twins）👯
