P0 P1 P2 P3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 P0 P1 P2 0 1 2 3 P0 P1 0 1 2 3 P0 P1 P2 0 1 2 3 4 5 6 7 step 1 & 2 3 colors in total : red, blue, green P0 has 2 red and 2 blue P1 has 3 blue and 1 red P2 has 1 red, 1 blue and 2 green P3 has 4 green step 3 P0 P1 P2 P3 step 4 P0 P1 P2 P3 P0 P1 P2 P3 step 3 step 3 step 4 step 4 false true 50 1.0 cm false 10 0 true true true 2.0.8 1867 1176 53 24 0.8971612212104981 true true true 138