B331133131323131133132233133313231333132233132313331333132322331311222221   >>    B33113313132313113313223313331323133313223313231333133313232233131122222   <<    B331133131323131133132233133313231333132233132313331333132322331311222223   >>      B331133131323131133132233133313231333132233132313331333132322331311222222   >>