this playing duty ally justice Niichan Not ally justice OniichanWith hand join speed fast thought this time Fire Sisters Karen Tsukihi head they ve reach watersurrounded islandsthere cluster island conveniently colour red blue purple the cluster consist b c distinct island respectivelybridge build possibly island a bridge bidirectionally connect different island length 1 for island colour should not reach bridge short distance 3 apparently order prevent oddity spread quickly inside clusterthe Fire Sisters ready unknown they d like test courage and you re figure number different way build bridge constraint answer modulo 998244353 two way consider different pair island exist there s bridge