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Level 33 is the last level of the bloxorz and level 33 walkthrough is as under:
R4,U,L,D3,R2,U,L,U,L,U2,R2,D,R,D,R,U,L2,U,R,D,R,D2,R,D,L,D2,R2,U,D,L2,U4,L,U,L,...