HEAD is coded as 37, pattern is
Aphabetical ranks of HEAD is 8514
$$(8+5+1+4)\times2+1=37$$
BANK is coded as 57, pattern is
Aphabetical ranks of BANK is 2,1,14,11
$$(2+1+14+11)\times2+1=57$$
Aphabetical ranks of KITEÂ is 11,9,20,5
$$(11+9+20+5)\times2+1=91$$
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