B331133131323131133132233133313231333132233132313331333133112312111112313331221   >>    B33113313132313113313223313331323133313223313231333133313311231211111231333122   <<    B331133131323131133132233133313231333132233132313331333133112312111112313331223   >>      B331133131323131133132233133313231333132233132313331333133112312111112313331222   >>