B331133131323131133132233133313231333132233132313331333132332322331323221223331   >>    B33113313132313113313223313331323133313223313231333133313233232233132322122333   <<    B331133131323131133132233133313231333132233132313331333132332322331323221223333   >>      B331133131323131133132233133313231333132233132313331333132332322331323221223332   >>