D233313133313221323132322331311211331323133313222233132322223331   >>    D23331313331322132313232233131121133132313331322223313232222333   <<    D233313133313221323132322331311211331323133313222233132322223333   >>      D233313133313221323132322331311211331323133313222233132322223332   >>