B331133131323131133132233133313231323223313232222331323133313231333121221   >>    B33113313132313113313223313331323132322331323222233132313331323133312122   <<    B331133131323131133132233133313231323223313232222331323133313231333121223   >>      B331133131323131133132233133313231323223313232222331323133313231333121222   >>