B331133131323131133132233133313231323133313132322331323221232313231323133312121   >>    B33113313132313113313223313331323132313331313232233132322123231323132313331212   <<    B331133131323131133132233133313231323133313132322331323221232313231323133312123   >>      B331133131323131133132233133313231323133313132322331323221232313231323133312122   >>