B331133131323131133132233133313231333132233132313331333132233312113313223123221   >>    B33113313132313113313223313331323133313223313231333133313223331211331322312322   <<    B331133131323131133132233133313231333132233132313331333132233312113313223123223   >>      B331133131323131133132233133313231333132233132313331333132233312113313223123222   >>