The shortest route available is ST-JL-BSL-ET-JBP-STA-ACOI-DDU-GAYA.
Link chains are:
ST-BSL:18406,12844, 18402.
BSL-GAYA:12322.
ST-DDU:22947, 19063.
DDU-GAYA:12802....
more...
ST-MZP:19045.
MZP-GAYA:12802.
UDN-DDU:22971.
DDU-GAYA:13308, 12322, 12398.
UDN-BSB:19051.
BSB-GAYA:13152.
ST-ET: 19057, 20903.
ET-GAYA:11045.
ST-KTE:22967.
KTE-GAYA:22911.