B331133131323131133132233133313233313231311233133313233313232233131333132311121   >>    B33113313132313113313223313331323331323131123313331323331323223313133313231112   <<    B331133131323131133132233133313233313231311233133313233313232233131333132311123   >>      B331133131323131133132233133313233313231311233133313233313232233131333132311122   >>