B33113313132313113313223313331323133313221211331333132332322123231   >>    B3311331313231311331322331333132313331322121133133313233232212323   <<    B33113313132313113313223313331323133313221211331333132332322123233   >>      B33113313132313113313223313331323133313221211331333132332322123232   >>