B331133131323131133132233133313233313331313223313331323223313231333113121   >>    B33113313132313113313223313331323331333131322331333132322331323133311312   <<    B331133131323131133132233133313233313331313223313331323223313231333113123   >>      B331133131323131133132233133313233313331313223313331323223313231333113122   >>