B331133131323131133132233133313232233132211233132313232233133313231211   >>    B33113313132313113313223313331323223313221123313231323223313331323121   <<    B331133131323131133132233133313232233132211233132313232233133313231213   >>      B331133131323131133132233133313232233132211233132313232233133313231212   >>