sentences:  The green (first class) cars in the original three-car sets were classified as KuRo 253 or KuRo 253-100.The KuRo 253 cars had ten rows of 1+1 seating at a seat pitch of , with seats angled to face the windows, together with one 4-person compartment.The KuRo 253-100 cars had eight rows of seats arranged in a mixture of 2+1 and 1+1 at a seat pitch of , together with one 4-person compartment.