B331133131323131133132233133313231333132233132313331333133323222223231   >>    B33113313132313113313223313331323133313223313231333133313332322222323   <<    B331133131323131133132233133313231333132233132313331333133323222223233   >>      B331133131323131133132233133313231333132233132313331333133323222223232   >>