hi guys, so recently I've been trying out 5x5 and ave abt 2.30 mins, but after abt 10 solves my fingers start to sore, is this normal? my cube is the moyu bochuang gt 5x5 if that helps, should I stick with it or change to other 5x5s like weichuang or qiyi wushuang? thanks in advance! :)