B331133131323131133132233133313231313231333132322331313331313331323132212331   >>    B33113313132313113313223313331323131323133313232233131333131333132313221233   <<    B331133131323131133132233133313231313231333132322331313331313331323132212333   >>      B331133131323131133132233133313231313231333132322331313331313331323132212332   >>