B33113313132313113313223313331323221323132233132313331323132313231323112131   >>    B3311331313231311331322331333132322132313223313231333132313231323132311213   <<    B33113313132313113313223313331323221323132233132313331323132313231323112133   >>      B33113313132313113313223313331323221323132233132313331323132313231323112132   >>