-111.778 375.245 m -152.403 305.344 l -111.778 375.245 m -58.153 352.486 l -152.403 305.344 m -58.153 352.486 l -152.403 305.344 m -67.903 270.394 l -111.778 375.245 l -58.153 352.486 m -67.903 270.394 l -111.778 375.245 m -164.591 413.446 l -152.403 305.344 l -164.591 413.446 m -58.153 352.486 l $v_3^1$ $v_3^2$ $v_0^2 = v_1^1 = v$ $v_1^2 = v_0^1 = u$ $v_2^2 = v_2^1 = w$ -50.8405 282.586 m 20.9708 0 0 20.9708 -67.903 270.394 -88.0664 264.631 a -141.029 415.072 m 21.9574 0 0 21.9574 -154.841 398.003 -174.479 388.18 a