B331133131323131133132233133313231323223322331323131133132313231323112121   >>    B33113313132313113313223313331323132322332233132313113313231323132311212   <<    B331133131323131133132233133313231323223322331323131133132313231323112123   >>      B331133131323131133132233133313231323223322331323131133132313231323112122   >>