040000 tree fca4cbdcb9a4300d77a797f0adc1d9679a1c3427	basic
040000 tree 06642db47aaa17cf8df153d0feee032e2f38513f	bind
040000 tree 7a44a926f26c338e07f623b38a8b421b570aadde	flappy
040000 tree e263c2d40a00d82d6414026b2db50e1aa2e0b98f	ivy
040000 tree aae6b2335372acd6429470e69cebdcd6b89965ae	network