B331133131323131133132233133313231333132212113313331333133311211123221   >>    B33113313132313113313223313331323133313221211331333133313331121112322   <<    B331133131323131133132233133313231333132212113313331333133311211123223   >>      B331133131323131133132233133313231333132212113313331333133311211123222   >>