B331133131323131133132233133313231333132233132313331333133312111133132212223231   >>    B33113313132313113313223313331323133313223313231333133313331211113313221222323   <<    B331133131323131133132233133313231333132233132313331333133312111133132212223233   >>      B331133131323131133132233133313231333132233132313331333133312111133132212223232   >>