there were 20 children on board

रवि	सोम	मंगल	बुध	गुरु	शुक्र	शनि
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30