D23331313331322132313233313131323131333132333132313223313222321   >>    D2333131333132213231323331313132313133313233313231322331322232   <<    D23331313331322132313233313131323131333132333132313223313222323   >>      D23331313331322132313233313131323131333132333132313223313222322   >>