ATtiny PinMode = HIGH, LOW, INPUT
Works very well with ATtiny85. If you switch each single LED on for 2 ms and delay for 22 ms, it lookes like all on.
# = pinMode(INPUT)
0 = pinMode(OUTPUT); digitalWrite(LOW);
3 = pinMode(OUTPUT); digitalWrite(HIGH);
#3#0 R1
#0#3 G1
0##3 R2
3##0 G2
3#0# R3
0#3# G3
30## R4
03## G4
#30# R5
#03# G5
##30 R6
##03 G6