advance back up start[>]

3977[D!][U][G]
3978[D!][U][G]
3979[D!][U][G]
3980[D!][U][G]
3981[D!][U][G]
3982[D!][U][G]
3983[D!][U][G]
3984[D!][U][G]
3985[D!][U][G]
3986[D!][U][G]