B331133131323131133132233133313231313231333132322331323221333131133112113231   >>    B33113313132313113313223313331323131323133313232233132322133313113311211323   <<    B331133131323131133132233133313231313231333132322331323221333131133112113233   >>      B331133131323131133132233133313231313231333132322331323221333131133112113232   >>