B33113313132313113313223313331323133313223313231333132322121111113313113221   >>    B3311331313231311331322331333132313331322331323133313232212111111331311322   <<    B33113313132313113313223313331323133313223313231333132322121111113313113223   >>      B33113313132313113313223313331323133313223313231333132322121111113313113222   >>