B331133131323131133132233133313231333132212113313331333133313223211111223131   >>    B33113313132313113313223313331323133313221211331333133313331322321111122313   <<    B331133131323131133132233133313231333132212113313331333133313223211111223133   >>      B331133131323131133132233133313231333132212113313331333133313223211111223132   >>