feefee contains fe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefffe contains ee0ee1ee2ee3ee4ee5ee6ee7ee8ee9eeaeebeeceedeeee0ee1ee2ee3ee4ee5ee6ee7ee8ee9eeaeebeeceedeeeeeffee contains fe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefffe
contains fe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefffe
contains ee0ee1ee2ee3ee4ee5ee6ee7ee8ee9eeaeebeeceedeeee0ee1ee2ee3ee4ee5ee6ee7ee8ee9eeaeebeeceedeeeeeffee
contains fe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefe0fe1fe2fe3fe4fe5fe6fe7fe8fe9feafebfecfedfeefefffe