D2122132313112331311221123133313232233132331211111211111333132322331111   >>    D212213231311233131122112313331323223313233121111121111133313232233111   <<    D2122132313112331311221123133313232233132331211111211111333132322331113   >>      D2122132313112331311221123133313232233132331211111211111333132322331112   >>