D11222112113313133313232211233132333131122112322331313331323222211   >>    D1122211211331313331323221123313233313112211232233131333132322221   <<    D11222112113313133313232211233132333131122112322331313331323222213   >>      D11222112113313133313232211233132333131122112322331313331323222212   >>