C1111233131211111211113313331323133313231121211113313331333232132322333231   >>    C111123313121111121111331333132313331323112121111331333133323213232233323   <<    C1111233131211111211113313331323133313231121211113313331333232132322333233   >>      C1111233131211111211113313331323133313231121211113313331333232132322333232   >>