D12121212121313231311331323232132313232332313232233132322331111   >>    D1212121212131323131133132323213231323233231323223313232233111   <<    D12121212121313231311331323232132313232332313232233132322331113   >>      D12121212121313231311331323232132313232332313232233132322331112   >>