B331133131323131133132233133313113313132313113313331323223313232212131   >>    B33113313132313113313223313331311331313231311331333132322331323221213   <<    B331133131323131133132233133313113313132313113313331323223313232212133   >>      B331133131323131133132233133313113313132313113313331323223313232212132   >>