C1111233131211111211113313331333132313231323223313331323331123231121131   >>    C111123313121111121111331333133313231323132322331333132333112323112113   <<    C1111233131211111211113313331333132313231323223313331323331123231121133   >>      C1111233131211111211113313331333132313231323223313331323331123231121132   >>