D2333131333132213231323223313112113313231333132223133313232211111   >>    D233313133313221323132322331311211331323133313222313331323221111   <<    D2333131333132213231323223313112113313231333132223133313232211113   >>      D2333131333132213231323223313112113313231333132223133313232211112   >>