B331133131323131133132233133313231333132233132313331323132312323133313232211211   >>    B33113313132313113313223313331323133313223313231333132313231232313331323221121   <<    B331133131323131133132233133313231333132233132313331323132312323133313232211213   >>      B331133131323131133132233133313231333132233132313331323132312323133313232211212   >>