D21221323131123313133313112113313311212132313331323232233132213221   >>    D2122132313112331313331311211331331121213231333132323223313221322   <<    D21221323131123313133313112113313311212132313331323232233132213223   >>      D21221323131123313133313112113313311212132313331323232233132213222   >>