D23112331322331313231323223313133112323223313221323132313231312321   >>    D2311233132233131323132322331313311232322331322132313231323131232   <<    D23112331322331313231323223313133112323223313221323132313231312323   >>      D23112331322331313231323223313133112323223313221323132313231312322   >>