#!/usr/bin/env python3
P=[[3,0,1,2,4,5,6,7,11,8,9,10,12,13,14,15,16,17,18,19],[4,1,2,0,7,5,6,3,16,9,10,11,19,13,14,15,12,17,18,8],[1,5,2,3,0,4,6,7,8,17,10,11,12,16,14,15,9,13,18,19],[0,1,2,3,5,6,7,4,8,9,10,11,13,14,15,12,16,17,18,19],[0,2,6,3,4,1,5,7,8,9,18,11,12,13,17,15,16,10,14,19],[0,1,3,7,4,5,2,6,8,9,10,19,12,13,14,18,16,17,11,15]]
for row in P:print(''.join(chr(65+x) for x in row))