B331133131323131133132233133313231333132233132313331323223313221212121121   >>    B33113313132313113313223313331323133313223313231333132322331322121212112   <<    B331133131323131133132233133313231333132233132313331323223313221212121123   >>      B331133131323131133132233133313231333132233132313331323223313221212121122   >>