C1111233131211111211113313331333132313231323223313331323133313332313223311   >>    C111123313121111121111331333133313231323132322331333132313331333231322331   <<    C1111233131211111211113313331333132313231323223313331323133313332313223313   >>      C1111233131211111211113313331333132313231323223313331323133313332313223312   >>