B331133131323131133132233133313231333132322331211331333133313331333132223112131   >>    B33113313132313113313223313331323133313232233121133133313331333133313222311213   <<    B331133131323131133132233133313231333132322331211331333133313331333132223112133   >>      B331133131323131133132233133313231333132322331211331333133313331333132223112132   >>