B331133131323131133132233133313231313231333132322331323222331211   >>    B33113313132313113313223313331323131323133313232233132322233121   <<    B331133131323131133132233133313231313231333132322331323222331213   >>      B331133131323131133132233133313231313231333132322331323222331212   >>