B331133131323131133132233133313231313231333132322331333132322112321   >>    B33113313132313113313223313331323131323133313232233133313232211232   <<    B331133131323131133132233133313231313231333132322331333132322112323   >>      B331133131323131133132233133313231313231333132322331333132322112322   >>