D212213113313221323223313223313221323132313231333112323132322131   >>    D21221311331322132322331322331322132313231323133311232313232213   <<    D212213113313221323223313223313221323132313231333112323132322133   >>      D212213113313221323223313223313221323132313231333112323132322132   >>