B331133131323131133132233133313231333132322321111331323132313232213131   >>    B33113313132313113313223313331323133313232232111133132313231323221313   <<    B331133131323131133132233133313231333132322321111331323132313232213133   >>      B331133131323131133132233133313231333132322321111331323132313232213132   >>