/setblock ~0 ~1 ~0 minecraft:chest 0 replace {Items:[{id:minecraft:banner,Count:1,Slot:0,tag:{BlockEntityTag:{Base:8,Patterns:[{Pattern:sc,Color:14},{Pattern:rud,Color:13},{Pattern:bts,Color:2},{Pattern:lud,Color:8},{Pattern:bs,Color:0},{Pattern:ss,Color:7}]}}},{id:minecraft:banner,Count:1,Slot:1,tag:{BlockEntityTag:{Base:5,Patterns:[{Pattern:moj,Color:12},{Pattern:br,Color:14},{Pattern:rud,Color:10},{Pattern:cre,Color:14},{Pattern:tt,Color:3},{Pattern:dls,Color:13}]}}},{id:minecraft:banner,Count:1,Slot:2,tag:{BlockEntityTag:{Base:6,Patterns:[{Pattern:mr,Color:0},{Pattern:bs,Color:0},{Pattern:ts,Color:4},{Pattern:gra,Color:11},{Pattern:ts,Color:7},{Pattern:tts,Color:13}]}}},{id:minecraft:banner,Count:1,Slot:3,tag:{BlockEntityTag:{Base:15,Patterns:[{Pattern:cre,Color:7},{Pattern:bts,Color:9},{Pattern:bs,Color:10},{Pattern:bo,Color:6},{Pattern:sku,Color:12},{Pattern:ts,Color:13}]}}},{id:minecraft:banner,Count:1,Slot:4,tag:{BlockEntityTag:{Base:15,Patterns:[]}}},{id:minecraft:banner,Count:1,Slot:5,tag:{BlockEntityTag:{Base:15,Patterns:[]}}},{id:minecraft:banner,Count:1,Slot:6,tag:{BlockEntityTag:{Base:15,Patterns:[]}}},{id:minecraft:banner,Count:1,Slot:7,tag:{BlockEntityTag:{Base:15,Patterns:[]}}},]}