B331133131323131133132233133313231323133313132322331323221333132333132322121   >>    B33113313132313113313223313331323132313331313232233132322133313233313232212   <<    B331133131323131133132233133313231323133313132322331323221333132333132322123   >>      B331133131323131133132233133313231323133313132322331323221333132333132322122   >>