when i want to build with any blocks when i do shit+R click the game put 3 block and another one far away, i want to know how to stop that or just make the building mechanic back like normal, the configuration of the shit placed blocs is like that :

x|o|x
o|x|o
and the last one within ~10 block of range

if anyone got that isue and fixed it, i please wana know how to undo that to build like i want to and not take 30min to destroy all duped

blocs, thanks in advence for replies