B331133131323131133132233133313231323223313231221211221123122331   >>    B33113313132313113313223313331323132322331323122121122112312233   <<    B331133131323131133132233133313231323223313231221211221123122333   >>      B331133131323131133132233133313231323223313231221211221123122332   >>