D12121323331322132313331322132313233313231311221123121133132323323231   >>    D1212132333132213231333132213231323331323131122112312113313232332323   <<    D12121323331322132313331322132313233313231311221123121133132323323233   >>      D12121323331322132313331322132313233313231311221123121133132323323232   >>