first

taken : 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20

second
responsive:	01	06	11	16	21
	02	07	12	17	22
	03	08	13	18	23
	04	09	14	19	24
	05	10	15	20	25.