Take a step forward and then one step back. Current step count: 0, sequence: 
Move ahead one step and then retreat one step. Step number stands at 0, order: 
Advance one pace forward, then reverse one pace back. Step index: 0, with the sequence: 
Step forward by one, then step back by one. Present step tally: 0, step order: 
Proceed one step forward and pull back one step. Step count is zero, with order as: 
