D33132233232132333132322331323112113313231333133313233313221321   >>    D3313223323213233313232233132311211331323133313331323331322132   <<    D33132233232132333132322331323112113313231333133313233313221323   >>      D33132233232132333132322331323112113313231333133313233313221322   >>