B331133131323131133132233133313233313111133132313331323223313231323133112121   >>    B33113313132313113313223313331323331311113313231333132322331323132313311212   <<    B331133131323131133132233133313233313111133132313331323223313231323133112123   >>      B331133131323131133132233133313233313111133132313331323223313231323133112122   >>