B331133131323131133132233133313231333132233132313331331122133313232233221211   >>    B33113313132313113313223313331323133313223313231333133112213331323223322121   <<    B331133131323131133132233133313231333132233132313331331122133313232233221213   >>      B331133131323131133132233133313231333132233132313331331122133313232233221212   >>