B331133131323131133132233133313231333132313132322331323112113313232212131   >>    B33113313132313113313223313331323133313231313232233132311211331323221213   <<    B331133131323131133132233133313231333132313132322331323112113313232212133   >>      B331133131323131133132233133313231333132313132322331323112113313232212132   >>