D2333131333132213231323223313112113313233313331323223313231323222321   >>    D233313133313221323132322331311211331323331333132322331323132322232   <<    D2333131333132213231323223313112113313233313331323223313231323222323   >>      D2333131333132213231323223313112113313233313331323223313231323222322   >>