B331133131323131133132233133313231333132233132313331333132333112222333131   >>    B33113313132313113313223313331323133313223313231333133313233311222233313   <<    B331133131323131133132233133313231333132233132313331333132333112222333133   >>      B331133131323131133132233133313231333132233132313331333132333112222333132   >>