B331133131323131133132233133313231333132322331211331333133311211322121   >>    B33113313132313113313223313331323133313232233121133133313331121132212   <<    B331133131323131133132233133313231333132322331211331333133311211322123   >>      B331133131323131133132233133313231333132322331211331333133311211322122   >>