B331133131323131133132233133313231323223313231221212111113231111   >>    B33113313132313113313223313331323132322331323122121211111323111   <<    B331133131323131133132233133313231323223313231221212111113231113   >>      B331133131323131133132233133313231323223313231221212111113231112   >>