D121212121213132322331323323132333131323221323133313231312312231   >>    D12121212121313232233132332313233313132322132313331323131231223   <<    D121212121213132322331323323132333131323221323133313231312312233   >>      D121212121213132322331323323132333131323221323133313231312312232   >>