B331133131323131133132233133313231333132233132313331333132322123223321   >>    B33113313132313113313223313331323133313223313231333133313232212322332   <<    B331133131323131133132233133313231333132233132313331333132322123223323   >>      B331133131323131133132233133313231333132233132313331333132322123223322   >>