D21221323131121323132322132313231323133313231133132322331322311   >>    D2122132313112132313232213231323132313331323113313232233132231   <<    D21221323131121323132322132313231323133313231133132322331322313   >>      D21221323131121323132322132313231323133313231133132322331322312   >>