B33113313132313113313223313331323132322331323122121122112112321   >>    B3311331313231311331322331333132313232233132312212112211211232   <<    B33113313132313113313223313331323132322331323122121122112112323   >>      B33113313132313113313223313331323132322331323122121122112112322   >>