hostel_id,bed_id,owner,reserved,blocked
block-a-upper-hostel,block-a-upper-hostel_A_101_A,,0,1
block-a-upper-hostel,block-a-upper-hostel_A_101_B,,1,0
block-a-upper-hostel,block-a-upper-hostel_A_101_C,,2,0
block-a-upper-hostel,block-a-upper-hostel_A_101_D,K1000000,0,0
block-a-upper-hostel,block-a-upper-hostel_A_101_E,K999,0,0