E112223313221323132313232233132311211331323131111211331313232233132322121   >>    E11222331322132313231323223313231121133132313111121133131323223313232212   <<    E112223313221323132313232233132311211331323131111211331313232233132322123   >>      E112223313221323132313232233132311211331323131111211331313232233132322122   >>