B331133131323131133132233133313233313331323133211331333133313232222233121   >>    B33113313132313113313223313331323331333132313321133133313331323222223312   <<    B331133131323131133132233133313233313331323133211331333133313232222233123   >>      B331133131323131133132233133313233313331323133211331333133313232222233122   >>