advance back up

2670[D][U][S][G]
2671[D][U][S][G]
2672[D][U][S][G]
2673[D][U][S][G]
2674[D][U][S][G]
2675[D][U][S][G]
2676[D][U][S][G]
2677[D][U][S][G]
2678[D][U][S][G]
2679[D][U][S][G]