B331133131323131133132233133313233313331121133133313231333132211212121   >>    B33113313132313113313223313331323331333112113313331323133313221121212   <<    B331133131323131133132233133313233313331121133133313231333132211212123   >>      B331133131323131133132233133313233313331121133133313231333132211212122   >>