Design No 1(for Input Group of Order 12 and Index 2) Group Size 12 87FD8489 02F817D5 Block Intersection Formula {(0)^5 (1)^23 (2)^9 (3)^1 (4)^1 }^36 {(0)^6 (1)^20 (2)^12 (4)^1 }^3 Initial Blocks, in the group representation, last block PC(3): 1000 (1) c a (1) b a aabc (1) bc a aac (1) c b bc