B331133131323131133132233133313231323132333133313133313331323221211113313223221   >>    B33113313132313113313223313331323132313233313331313331333132322121111331322322   <<    B331133131323131133132233133313231323132333133313133313331323221211113313223223   >>      B331133131323131133132233133313231323132333133313133313331323221211113313223222   >>