B331133131323131133132233133313113313233313221323133313231323221231   >>    B33113313132313113313223313331311331323331322132313331323132322123   <<    B331133131323131133132233133313113313233313221323133313231323221233   >>      B331133131323131133132233133313113313233313221323133313231323221232   >>