D233313231211211331323223313131133131323223313231113231323221121   >>    D23331323121121133132322331313113313132322331323111323132322112   <<    D233313231211211331323223313131133131323223313231113231323221123   >>      D233313231211211331323223313131133131323223313231113231323221122   >>