B33113313132313113313223313331323133313221211331333132321132311   >>    B3311331313231311331322331333132313331322121133133313232113231   <<    B33113313132313113313223313331323133313221211331333132321132313   >>      B33113313132313113313223313331323133313221211331333132321132312   >>