-------------------0---------------------| 2 times -----1------3------------1---------------| -----------------------------------------| -----------------------------------------| -----------------------------------------| -----------------------------------------| ------0-------1------3-------------------| -----------------------------------------| 2 times -----------------------------------------| -----------------------------------------| -----------------------------------------| -----------------------------------------| -----3------5-----3-----1-----0----------| 2 times ------------------------------------1----| -----------------------------------------| -----------------------------------------| -----------------------------------------| -----------------------------------------| -----------------------------------------| 2 times -----3------0-------1--------------------| -----------------------------------------| -----------------------------------------| -----------------------------------------| -----------------------------------------|
