B331133131323131133132233133313231323331323133313112133313231333132322133322121   >>    B33113313132313113313223313331323132333132313331311213331323133313232213332212   <<    B331133131323131133132233133313231323331323133313112133313231333132322133322123   >>      B331133131323131133132233133313231323331323133313112133313231333132322133322122   >>