7蜂窝 Honey Land 7

七蜂窝出现在菲律宾的亚洲数独锦标赛中。这种题型里，每宫内及三个方向的每行列上数字都不重复。

Honey Land 7 appeared in Asian Sudoku Championship in the Philippines. Numbers cannot repeat in each Box, and three direction Rows.

这种题目已经被证明只有三种答案类型。

It's proved that there are just 3 types of answers in this puzzle. 

◆全体克隆Box Cloning

相同的位置拥有相同的数字，换句话说每个宫都是完全一致的。

Same position contains same number, in other way each Box are same. 

◆有序轮换Rotations with order

① 顺序一致的数字对。

There are some number pairs with same order.

② 数字以相同的顺序在每行列中循环。下图的案例里，2673541在横向的行里循环。

Numbers cycling as same sequence in each row, such like 2673541 in the horizontal Row in the example.

(3) 遵守同位规则。Disjoint rules applied.

◆反向轮换Rotations with opposite order

① 数字对，但是全体反向。Pairs with all opposite order.

◆在类型2和3中存在额外区域，由凸出部分和它相邻的行列组成。

Extra regions exist in type 2 and 3, in the bulge and the Row next to it. 

练习 Practice

① 找到其类型，并解答题目。

Find the type and finish this puzzle.

Designed by @Sudoku52

答案 Answer

① Type 2.