Седан - Безье

{"lg_-1":[0,0,0,0],"lg_-1_6":[0,0,0,0]}

{"lg_-1":[2,3,3,8],"lg_-1_6":[2,3,1,6],"lg_138":[2,3,3,8],"lg_138_6":[2,3,1,6]}

{"lg_-1":[2,3,3,8],"lg_-1_6":[1,2,3,6],"lg_138":[2,3,3,8],"lg_138_6":[1,2,3,6]}

{"lg_-1":[1,2,1,4],"lg_-1_6":[1,2,1,4],"lg_138":[1,2,1,4],"lg_138_6":[1,2,1,4]}

{"lg_-1":[0,1,2,3],"lg_-1_6":[0,1,2,3],"lg_138":[null,1,2,3],"lg_138_6":[null,1,2,3]}