B33113313132313113313223313331323221323223313231323223313331323133313133112321   >>    B3311331313231311331322331333132322132322331323132322331333132313331313311232   <<    B33113313132313113313223313331323221323223313231323223313331323133313133112323   >>      B33113313132313113313223313331323221323223313231323223313331323133313133112322   >>