rift 1
E|-----------------|
B|----2----2---2---|
G|---3----3--------|
D|-----------------|
A|-----------3-----|
E|-3----0----------| repeat about 4x

rift 2
E|-----------------|
B|----0----0---0---|
G|-----------------|
D|---0----0--------|
A|-----------------|
E|-/5----2---3-----| repeat 2x then go back to original rift

Those alternate a few times and then it move on to...

rift 3
E|---------------------------------------------|
B|---------------------------------------------|
G|---7---7-------7--7------3---3-----3----2----|
D|--7---7----7--7--7--7---0---0---0-0----0-----|
A|-----(8)---------(8)-------------------------|
E|-8---8---8--8---8--8--/5---5---5-5---/3------| repeat a few times, return to intro