D132311233131333131322331323121323132333132333132233131122112321   >>    D13231123313133313132233132312132313233313233313223313112211232   <<    D132311233131333131322331323121323132333132333132233131122112323   >>      D132311233131333131322331323121323132333132333132233131122112322   >>