B331133131323131133132233133313231323133313331331123132322112131   >>    B33113313132313113313223313331323132313331333133112313232211213   <<    B331133131323131133132233133313231323133313331331123132322112133   >>      B331133131323131133132233133313231323133313331331123132322112132   >>