LetterOnBlock

0 Black letterblocks:0_black 0 Green letterblocks:0_green 0 Yellow letterblocks:0_yellow 1 Black letterblocks:1_black 1 Green letterblocks:1_green 1 Yellow letterblocks:1_yellow 2 Black letterblocks:2_black 2 Green letterblocks:2_green 2 Yellow letterblocks:2_yellow 3 Black letterblocks:3_black 3 Green letterblocks:3_green 3 Yellow letterblocks:3_yellow 4 Black letterblocks:4_black 4 Green letterblocks:4_green 4 Yellow letterblocks:4_yellow 5 Black letterblocks:5_black 5 Green letterblocks:5_green 5 Yellow letterblocks:5_yellow 6 Black letterblocks:6_black 6 Green letterblocks:6_green 6 Yellow letterblocks:6_yellow 7 Black letterblocks:7_black 7 Green letterblocks:7_green 7 Yellow letterblocks:7_yellow