advance back up

2867[D][U][S][G]
2868[D][U][S][G]
2869[D][U][S][G]
2870[D][U][S][G]
2871[D][U][S][G]
2872[D][U][S][G]
2873[D][U][S][G]
2874[D][U][S][G]
2875[D][U][S][G]