D212213113313221323223313223313221323132313231333112323132313233331   >>    D21221311331322132322331322331322132313231323133311232313231323333   <<    D212213113313221323223313223313221323132313231333112323132313233333   >>      D212213113313221323223313223313221323132313231333112323132313233332   >>