D23112331322331313231323223313133112323223313221323132313233231   >>    D2311233132233131323132322331313311232322331322132313231323323   <<    D23112331322331313231323223313133112323223313221323132313233233   >>      D23112331322331313231323223313133112323223313221323132313233232   >>