B331133131323131133132233133313231333132233132313331333133112313113313221221   >>    B33113313132313113313223313331323133313223313231333133313311231311331322122   <<    B331133131323131133132233133313231333132233132313331333133112313113313221223   >>      B331133131323131133132233133313231333132233132313331333133112313113313221222   >>