What are the cheat codes for Bloxorz level 6?

The passcode to stage 6 is 524383

The passcode to stage 7 is 189493

The solution to stage 6 (35 moves):

R3,D2,R,D2,R,D,R,U,L3,U2,L,U3,R3,D2,L,U,R2,D,R,D2,R