.block-editor-block-variation-picker__variations > li:nth-child(1),
.block-editor-block-variation-picker__variations > li:nth-child(3),
.block-editor-block-variation-picker__variations > li:nth-child(4),
.block-editor-block-variation-picker__variations > li:nth-child(5),
.block-editor-block-variation-picker__variations > li:nth-child(6){
display:none !important
}