Left foot slides forward 50. Right foot slides up to left, slightly locking behind left 51. Left foot slides forward 52. Right foot slides up to left. Left foot slides forward 54.
Right foot slides up to left.
Left foot slides forward 56. Left foot steps forward, putting weight on this foot 66. Pivot half turn the right, on ball of right foot, move weight to right foot. Left foot steps forward, putting weight on this foot 68. Pivot half turn the right, on ball of right foot, move weight to right foot.