/clone: Copies a box of blocks from one place to another, with options to skip air or move the blocks instead of copying.
Syntax
<angle brackets> are required, [square brackets] optional. /clone has 2 forms:
/clone <begin: position> <end: position> <destination: position> [maskMode: maskmode] [cloneMode: clonemode]
/clone <begin: position> <end: position> <destination: position> <maskMode: maskmodefiltered> <cloneMode: clonemode> <tileName: block> [blockStates: block_state_array]