Chippenham - Dartford

{"lg_-1":[2,4,4,10],"lg_-1_6":[1,3,2,6],"lg_63":[2,4,4,10],"lg_63_6":[1,3,2,6]}

{"lg_-1":[1,3,2,6],"lg_-1_6":[1,3,2,6],"lg_63":[1,3,2,6],"lg_63_6":[1,3,2,6]}

{"lg_-1":[3,0,3,6],"lg_-1_6":[3,0,3,6],"lg_63":[3,null,3,6],"lg_63_6":[3,null,3,6]}

{"lg_-1":[1,1,0,2],"lg_-1_6":[1,1,0,2],"lg_63":[1,1,null,2],"lg_63_6":[1,1,null,2]}

{"lg_-1":[2,0,1,3],"lg_-1_6":[2,0,1,3],"lg_63":[2,null,1,3],"lg_63_6":[2,null,1,3]}