B331133131323131133132233133313231333132233132313331333131232323112321   >>    B33113313132313113313223313331323133313223313231333133313123232311232   <<    B331133131323131133132233133313231333132233132313331333131232323112323   >>      B331133131323131133132233133313231333132233132313331333131232323112322   >>