B331133131323131133132233133313231333132333121111331323133313232233132322131   >>    B33113313132313113313223313331323133313233312111133132313331323223313232213   <<    B331133131323131133132233133313231333132333121111331323133313232233132322133   >>      B331133131323131133132233133313231333132333121111331323133313232233132322132   >>