B331133131323131133132233133313231333132233132313331333133112312113313233112121   >>    B33113313132313113313223313331323133313223313231333133313311231211331323311212   <<    B331133131323131133132233133313231333132233132313331333133112312113313233112123   >>      B331133131323131133132233133313231333132233132313331333133112312113313233112122   >>