B331133131323131133132233133313233313331322331211113313231323132313132322121   >>    B33113313132313113313223313331323331333132233121111331323132313231313232212   <<    B331133131323131133132233133313233313331322331211113313231323132313132322123   >>      B331133131323131133132233133313233313331322331211113313231323132313132322122   >>